Local residents stay inside an underground shelter in a town that had been occupied by Russian troops, amid Russia's attack on Ukraine, in the outskirt of Kharkiv, Ukraine June 1, 2022. REUTERS/Ivan Alvarado 

A police officer speaks with an elderly woman in a shelter during an evacuation of local residents between shelling, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

Local residents are pictured in a shelter during a shelling, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

Local residents are seen in a shelter, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

Oleksii Berezovska hugs his mother Olha as they take shelter at a local school underground bunker, amid Russia's invasion of Ukraine, in Sloviansk, Donetsk region, Ukraine, May 27, 2022. More than 1 million children have fled Ukraine to neighboring countries in the less than two weeks since Russia started its invasion of Ukraine, the head of the United Nations Children's Fund (UNICEF) said early in March. Picture taken May 27, 2022. REUTERS/Carlos Barria 

A resident prepares food in a bomb shelter, amid Russia's invasion of Ukraine, in the town of Soledar, Donetsk region Ukraine June 8, 2022. REUTERS/Gleb Garanich 

A police officer checks a shelter during an evacuation of local residents between shelling, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

A police officer checks a shelter during an evacuation of local residents between shelling, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

People sleep 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 

A police officer and an elderly woman are seen in a shelter during a shelling during an evacuation of local residents, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

Personal items are seen inside an underground shelter in a town that had been occupied by Russian troops, amid Russia's attack on Ukraine, in the outskirt of Kharkiv, Ukraine June 1, 2022. REUTERS/Ivan Alvarado 

Local resident Svetlana Tymchenko, 82, sits in a bomb shelter in the course of Ukraine-Russia conflict in the town of Rubizhne in the Luhansk region, Ukraine June 1, 2022. REUTERS/Alexander Ermochenko 

A resident sits on a bed inside a bomb shelter, amid Russia's invasion of Ukraine, in the town of Soledar, Donetsk region, Ukraine June 8, 2022. REUTERS/Gleb Garanich 

Local resident Larisa, 72, who stayed in a bomb shelter for more than two months, holds a neckpiece in the course of Ukraine-Russia conflict in the town of Rubizhne in the Luhansk region, Ukraine June 1, 2022. REUTERS/Alexander Ermochenko 

A local resident is stands in a shelter, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

A local resident writes as she stays inside an underground shelter in a town that had been occupied by Russian troops, amid Russia's attack on Ukraine, in the outskirt of Kharkiv, Ukraine June 1, 2022. REUTERS/Ivan Alvarado 

A resident prepares food in a bomb shelter, amid Russia's invasion of Ukraine, in the town of Soledar, Donetsk region Ukraine June 8, 2022. REUTERS/Gleb Garanich 

A local resident sleeps inside an underground shelter in a town that had been occupied by Russian troops, amid Russia's attack on Ukraine, in the outskirt of Kharkiv, Ukraine June 1, 2022. REUTERS/Ivan Alvarado 

A woman is reflected in a mirror in a bomb shelter in the course of Ukraine-Russia conflict in the town of Rubizhne in the Luhansk region, Ukraine June 1, 2022. REUTERS/Alexander Ermochenko 

A local resident holds a religious image as she stays inside an underground shelter in a town that had been occupied by Russian troops, amid Russia's attack on Ukraine, in the outskirt of Kharkiv, Ukraine June 1, 2022. REUTERS/Ivan Alvarado 

Olha Berezovska and her sons Andrii and Oleksii are seen inside of a shelter at a local school, amid Russia's invasion of Ukraine, in Sloviansk, Donetsk region, Ukraine, May 27, 2022. More than 1 million children have fled Ukraine to neighboring countries in the less than two weeks since Russia started its invasion of Ukraine, the head of the United Nations Children's Fund (UNICEF) said early in March. Picture taken May 27, 2022. REUTERS/Carlos Barria 

Local residents are seen in a shelter, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

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 

A local resident leaves a shelter after shelling, amid Russia's attack on Ukraine, in the town of Marinka, in Donetsk region, Ukraine June 16, 2022. REUTERS/Gleb Garanich 

People find shelter from shelling in a metro station, amid Russia's attack on Ukraine, in Kharkiv, Ukraine, May 9, 2022. REUTERS/Ricardo Moraes 

A resident rests inside a bomb shelter, amid Russia's invasion of Ukraine, in the town of Soledar, Donetsk region, Ukraine June 8, 2022. REUTERS/Gleb Garanich 

Local residents gather in a bomb shelter in the course of Ukraine-Russia conflict in the town of Rubizhne in the Luhansk region, Ukraine June 1, 2022. REUTERS/Alexander Ermochenko 

People receive distributed food 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