TOPSHOT - This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

APTOPIX Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to take away debris at a shopping mall burned after a missile strike in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

People react at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. More than a dozen of people were killed. (AP Photo/Efrem Lukatsky)

A woman lays a toy at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. More than a dozen of people were killed. (AP Photo/Efrem Lukatsky)

A police officer inspects a fragment of a Russian rocket stuck in a tree trunk about 300 meter from the epicentre of the Russian deadly rocket attack at a shopping centre in Kremenchuk in Poltava region, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

A woman lights a candle at a shopping center, after a rocket attack in Kremenchuk, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

A police officer writes a report as a man wounded by the Russian deadly rocket attack at a shopping centre tells her about the attack in a city hospital in Kremenchuk in Poltava region, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

A police officer writes a report as a man wounded by the Russian deadly rocket attack at a shopping centre tells her about the attack in a city hospital in Kremenchuk in Poltava region, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

A hospital nurse pushes a wheelchair carrying a woman wounded by the Russian deadly rocket attack at a shopping centre in a city hospital in Kremenchuk in Poltava region, Ukraine, Tuesday, June 28, 2022.(AP Photo/Efrem Lukatsky)

A man wounded by the Russian deadly rocket attack at a shopping centre lies on a bed in a city hospital in Kremenchuk in Poltava region, Ukraine, Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers are seen clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers and rescuers rest during an air raid alert which occured as they were clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by GENYA SAVILOV / AFP)

Workers rest during an air raid alert which occured as they were clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers rest during an air raid alert which occured as they were clearing the rubbles of the Amstor mall, the day after it was hit by a Russian missile strike according to Ukrainian authorities in Kremenchuk, on June 28, 2022. - Ukraine accused Russia of deliberately targeting civilians, with President Volodymyr Zelensky calling it "one of the most brazen terrorist acts in European history" while Russian military said the strike hit "a depot with weapons and ammunition" whose explosion sparked a fire in the nearby shopping mall. (Photo by Genya SAVILOV / AFP)

Workers help rescuers to remove rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers cut a cable as they clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Rescuers clear rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

People lay flowers and children toys next to destroyed Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

People lay flowers and children toys next to destroyed Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Workers with cranes help rescuers to remove rubbles of the Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows in foreground collected fragments of a missile on a table, as workers and rescuers clear rubbles of the Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

TOPSHOT A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A photograph taken on June 28, 2022 shows charred goods in a grocery store of the destroyed Amstor mall in Kremenchuk, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

Ukraine's Minister of Internal Affairs Denys Monastyrsky (C) visits the site of the destroyed Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

A tractor is parked in front of the destroyed Amstor mall in Kremenchuk, on June 28, 2022, one day after it was hit by a Russian missile strike according to Ukrainian authorities. - A Russian missile strike on a crowded mall in central Ukraine killed at least 18 people in what Group of Seven leaders branded "a war crime" at a meeting in Germany where they looked to step up sanctions on Moscow. The leaders vowed that Russian President and those responsible would be held to account for June 27's strike in the city of Kremenchuk, carried out during the shopping mall's busiest hours. (Photo by Genya SAVILOV / AFP)

TOPSHOT - This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

In this image made from video provided by Ukrainian State Emergency Service, firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Monday, June 27, 2022. (Ukrainian State Emergency Service via AP)

In this image made from video provided by Ukrainian State Emergency Service, firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Monday, June 27, 2022. (Ukrainian State Emergency Service via AP)

In this image made from video provided by Ukrainian State Emergency Service, firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Monday, June 27, 2022. (Ukrainian State Emergency Service via AP)

In this image made from video provided by Ukrainian State Emergency Service, firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, Monday, June 27, 2022. (Ukrainian State Emergency Service via AP)

Ukrainian State Emergency Service firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, early Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

APTOPIX Ukrainian State Emergency Service firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, late Monday, June 27, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, late Monday, June 27, 2022. (AP Photo/Efrem Lukatsky)

Volunteers and State Emergency Service firefighters work to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, early Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

A Ukrainian State Emergency Service firefighter reacts as he works to extinguish a fire at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, early Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

APTOPIX Volunteers work to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, early Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

Ukrainian State Emergency Service firefighters to take away debris at a shopping center burned after a rocket attack in Kremenchuk, Ukraine, early Tuesday, June 28, 2022. (AP Photo/Efrem Lukatsky)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was “unimaginable,” citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was “unimaginable,” citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was “unimaginable,” citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was "unimaginable," citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was "unimaginable," citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

People watch as smoke bellows after a Russian missile strike hit a crowded shopping mall, in Kremenchuk, Ukraine, Monday, June 27, 2022. Ukrainian officials say scores of civilians are feared killed or injured after a Russian missile strike hit a crowded shopping mall in the central city of Kremenchuk. Ukrainian President Volodymyr Zelenskyy said in a Telegram post Monday that the number of victims was "unimaginable," citing reports that more than 1,000 civilians were inside at the time of the attack. (Viacheslav Priadko via AP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows firefighters putting out the fire in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk, killing at least two and injuring dozens more, Ukraine's President said. (Photo by UKRAINE EMERGENCY MINISTRY PRESS SERVICE / AFP)

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 27, 2022 shows rescuers working in a mall hit by a Russian missile strike in the eastern Ukrainian city of Kremenchuk. (Photo by Ukraine's State Emergency Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Ukraine's State Emergency Service / str " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout picture taken and released by the Ukraine's State Emergency Service on June 28, 2022 shows rescuers working in the wreckages of a mall in Kremenchuk, the day after it was hit by a Russian missile strike according to Ukrainian authorities. (Photo by Ukrainian State Emergency Service Press Service / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO /UKRAINIAN STATE EMERGENCY PRESS SERVICE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter extinguish a fire caused by Russian attacks on the shopping mall in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM

KREMENCHUK, UKRAINE - JUNE 27: (----EDITORIAL USE ONLY – MANDATORY CREDIT - "UKRAINIAN STATE EMERGENCY SERVICE / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Ukrainian firefighter are seen trying to put the fire out a burning shopping mall after a Russian attack in Kremenchuk, Poltava region, Ukraine on June 27, 2022. Ukrainian President Volodymyr Zelenskiy announced that Russian forces hit a shopping center in Kremenchuk, where more than 1,000 civilians are located. Ukrainian State Emergency Service / Handout / Anadolu Agency/ABACAPRESS.COM