A boy rides a bicycle near a residential building destroyed during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

A Ukrainian woman tries to clean her house that according to her was damaged by shelling, amid the Russian invasion of Ukraine, in Novotavrycheske Village, Zaporizhzhia region, Ukraine May 6, 2022. REUTERS/Ueslei Marcelino

People receive bread during the distribution of humanitarian aid in the course of Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 8, 2022. REUTERS/Alexander Ermochenko

Lyubov Ivanivna reacts outside a damaged school where, according to residents, Russian soldiers were based before the Ukrainian Army retook the Vilhivka village, amid Russia's attack on Ukraine, near Kharkiv, Ukraine, May 11, 2022. REUTERS/Ricardo Moraes

Vira Mychailivna, 90, sits on her bed as residents find shelter from shelling in a metro station, amid Russia's attack on Ukraine, in Kharkiv, Ukraine, May 9, 2022. REUTERS/Ricardo Moraes

Local resident Vladimir Lebed looks out of an apartment in a building damaged during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

A Ukrainian man carries a carpet near a house that according to him was damaged by shelling, amid the Russian invasion of Ukraine, in Novotavrycheske village, Zaporizhzhia region, Ukraine May 6, 2022. REUTERS/Ueslei Marcelino

Valentyna Karlyuk, 57, stands inside of her destroyed house after Russian shelling at a residential area, amid Russia's invasion of Ukraine, in Irpin, Ukraine May 7, 2022. REUTERS/Carlos Barria

Local residents spend time in a courtyard as members of Russia's Emergencies Ministry remove debris near a building heavily damaged during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

Kateryna Golovachuk, 65, reacts as she shows her house that according to her was damaged by shelling, amid the Russian invasion of Ukraine, in Novotavrycheske village, Zaporizhzhia region, Ukraine May 6, 2022. REUTERS/Ueslei Marcelino

A child stands on a destroyed Russian tank, amid Russia's invasion of Ukraine, near Makariv, Kyiv region, Ukraine May 7, 2022. REUTERS/Mikhail Palinchak TPX IMAGES OF THE DAY

Children gather at a playground during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

A local resident sits next to a fire in a courtyard in the course of Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

War World II veteran, Ivan Lisun, 97, wears a jacket with his medals and pins outside his house which was damaged after a Russian bombing, amid Russia's attack on Ukraine, in Zolochiv near Kharkiv, Ukraine, May 6, 2022. Picture taken May 6, 2022. REUTERS/Ricardo Moraes

A Ukrainian man from Mariupol region is seen in a car after arriving at a registration and humanitarian aid centre for internally displaced people, amid Russia's ongoing invasion of Ukraine, in Zaporizhzhia, Ukraine May 8, 2022. REUTERS/Gleb Garanich

Tetyana Pochivalova reacts outside her destroyed house in Vilhivka village amid Russia's attack on Ukraine, near Kharkiv, Ukraine, May 11, 2022. REUTERS/Ricardo Moraes REFILE - QUALITY REPEAT

Local resident and music teacher Natalya Lebed, 74, speaks in front of a block of flats damaged during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko

A local resident sits on a bench near a cat in a courtyard in the course of Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine May 11, 2022. REUTERS/Alexander Ermochenko