Ukrainian Foreign Minister Dmytro Kuleba, prepares to speak, for an opening of an exhibition dedicated to Ukrainian war art and posters, at the foregin ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Ukrainian Foreign Minister Dmytro Kuleba, leaves after a press conference, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foreign ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Ukrainian Foreign Minister Dmytro Kuleba, listens to a question during a press conference, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foregin ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Ukrainian Foreign Minister Dmytro Kuleba, listens to a question during a press conference, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foregin ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Ukrainian Foreign Minister Dmytro Kuleba, listens to a question during a press conference, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foregin ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Journalists head to a shelter as air raids go off, ahead of a press conference by Ukrainian Foreign Minister Dmytro Kuleba, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foreign ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Journalists head to a shelter as air raids go off, ahead of a press conference by Ukrainian Foreign Minister Dmytro Kuleba, to announce the opening of an exhibition dedicated to Ukrainian war art and posters, at the foreign ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

A woman takes photos during the opening of an exhibition dedicated to Ukrainian war art and posters, after a press conference given by Ukrainian Foreign Minister Dmytro Kuleba, at the foreign ministry, in Kyiv, Ukraine, Tuesday, June 28, 2022. (AP Photo/Nariman El-Mofty)

Ukraine's Foreign Minister Dmytro Kuleba arrives walking with crutches at the opening ceremony of an exhibition of political placards on the Russian invasion of Ukraine, in Kyiv on June 28, 2022. (Photo by Sergei SUPINSKY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

Ukraine's Foreign Minister Dmytro Kuleba speaks as he stands with crutches at the opening ceremony of an exhibition of political placards on the Russian invasion of Ukraine, in Kyiv on June 28, 2022. (Photo by Sergei SUPINSKY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

Ukraine's Foreign Minister Dmytro Kuleba speaks during the opening ceremony of an exhibition of political placards on the Russian invasion of Ukraine, in Kyiv on June 28, 2022. (Photo by Sergei SUPINSKY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION

Ukraine's Foreign Minister Dmytro Kuleba speaks during the opening ceremony of an exhibition of political placards on the Russian invasion of Ukraine, in Kyiv on June 28, 2022. (Photo by Sergei SUPINSKY / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION