A man steps over an unexploded shell in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

Local residents collect water from a fire truck in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

Local residents collect water from a fire truck in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

A man walks past the wreckage of a car as he crosses a street in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

A man stands by a barricade made with destroyed police cars in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

A man rides a bicycle among debris in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

A man rides a scooter past a damaged car in Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

A Ukrainian serviceman walks past the wreckage of cars on a street in Lysychansk on June 21, 2022, amid the Russian invasion of Ukraine. (Photo by Anatolii Stepanov / AFP)

Ukrainian servicemen dig a trench in the outskirts of Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

Ukrainian servicemen dig a trench in the outskirts of Lysychansk on June 21, 2022, as Ukraine says Russian shelling has caused "catastrophic destruction" in the eastern industrial city, which lies just across a river from Severodonetsk where Russian and Ukrainian troops have been locked in battle for weeks. - Regional governor Sergiy Gaiday says that non-stop shelling of Lysychansk on June 20 destroyed 10 residential blocks and a police station, killing at least one person. (Photo by Anatolii Stepanov / AFP)

EDITORS NOTE: Graphic content / TOPSHOT - A man covers the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / TOPSHOT - Women react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / TOPSHOT - A man approches the body of his son who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / TOPSHOT - The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A woman mourns over the body of her relative who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A woman stands next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A woman mourns over the body of her relative who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A woman mourns over the body of her relative who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A man approches the body of his son who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A woman reacts next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / Women react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / Women react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / Women react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

Destroyed vehicles are pictured in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

A destroyed ambulance is pictured in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

An Ukrainian serviceman rides a small bicycle in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

An Ukrainian serviceman rides a small bicycle in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

A man stands by the grave of his neighour who is burried in the yard of his house in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / People react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / A man covers the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / People react next to the body of a man who was reportedly killed by a cluster rocket in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

EDITORS NOTE: Graphic content / The father of a man who was reportedly killed by a cluster rocket mourns over his body in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 18, 2022 amid the Russian invasion of the country. (Photo by ARIS MESSINIS / AFP)

TOPSHOT - Two women looks at the destroyed Community Art Center after a strike reportedly killed four people in the city of Lysychansk in the eastern Ukrainian region of Donbas on June 17, 2022, as the Russian-Ukraine war enters its 114th day. (Photo by ARIS MESSINIS / AFP)

TOPSHOT - The tail of a rocket is nailed into a pavement in the city of Lysychansk at the eastern Ukrainian region of Donbas on June 17, 2022, as the Russian-Ukraine war enters its 114th day. (Photo by ARIS MESSINIS / AFP)

TOPSHOT - Ukrainian soldiers inspect a destroyed warehouse reportedly targeted by Russian troops on outskirts of Lysychansk, in the eastern Ukrainian region of Donbas on June 17, 2022, as the Russian-Ukraine war enters its 114th day. (Photo by ARIS MESSINIS / AFP)

An aerial view shows the destroyed Community Art Center following a strike in the city of Lysychansk, in the eastern Ukrainian region of Donbas on June 17, 2022, as the Russian-Ukraine war enters its 114th day. (Photo by ARIS MESSINIS / AFP)

TOPSHOT - Ukrainian inhabitant, Raisa, reacts next to a destroyed school in the village of Bilogorivka not far from Lysychansk, Lugansk region, on June 17, 2022, amid the Russian invasion of Ukraine. (Photo by Anatolii STEPANOV / AFP)

Ukrainian inhabitant, Raisa, reacts next to a destroyed school in the village of Bilogorivka not far from Lysychansk, Lugansk region, on June 17, 2022, amid the Russian invasion of Ukraine. (Photo by Anatolii STEPANOV / AFP)

A photo taken on June 17, 2022, shows a destroyed school in the village of Bilogorivka not far from Lysychansk, Lugansk region, amid the Russian invasion of Ukraine. (Photo by Anatolii STEPANOV / AFP)

A woman covers her ears reacting to a Russian air raid in Lysychansk, Luhansk region, Ukraine, Thursday, June 16, 2022. (AP Photo/Efrem Lukatsky)

A man sleeps as he takes refuge from Russian shelling in a living room basement, in Lysychansk, Luhansk region, Ukraine, Thursday, June 16, 2022. (AP Photo/Efrem Lukatsky)

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Flying helicopters of the Ukrainian army are seen as Russian attacks continue, on June 15, 2022 in Lisichansk region, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Flying helicopters of the Ukrainian army are seen as Russian attacks continue, on June 15, 2022 in Lisichansk region, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Flying helicopters of the Ukrainian army are seen as Russian attacks continue, on June 15, 2022 in Lisichansk region, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: One of the previously hit bridges connecting the city of Severodonetsk to Lisichansk is seen as Russian attacks continue, on June 15, 2022 in the eastern city of Severodonetsk, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: One of the previously hit bridges connecting the city of Severodonetsk to Lisichansk is seen as Russian attacks continue, on June 15, 2022 in the eastern city of Severodonetsk, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region, on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM

LUHANSK, UKRAINE - JUNE 15: Smoke rises after Russian attacks in Lisichansk region on June 15, 2022, Luhansk oblast, Ukraine. Metin Aktas / Anadolu Agency/ABACAPRESS.COM