A couple wounded in a shopping mall hit by a Russian missile strike hold hands in a hospital as Russia's attack on Ukraine continues, in Kremenchuk, in Poltava region, Ukraine June 27, 2022. REUTERS/Anna Voitenko TPX IMAGES OF THE DAY 

Anna Satanovskaya, 84, takes in the sudden loss of her husband, who was killed moments before, after a neighbourhood of apartment complexes was hit multiple times by shelling as Russia's attack on Ukraine continues in Kharkiv, Ukraine, June 27, 2022. REUTERS/Leah Millis TPX IMAGES OF THE DAY 

A Ukrainian service member pets a dog in the industrial area of the city of Sievierodonetsk, as Russia's attack on Ukraine continues, Ukraine June 20, 2022. Picture taken June 20, 2022. REUTERS/Oleksandr Ratushniak 

Tamara Kanonchenko, 81, is helped by volunteers from the organisation Vostok SOS during evacuation of civilians from war-affected areas of eastern Ukraine, amid Russia's invasion of the country, in Bahmut, Donetsk region, Ukraine, June 27, 2022. REUTERS/Marko Djurica 

Local resident Gennady Goncharov, 67, estimates the damage of his apartment following previous night's shelling in the course of Ukraine-Russia conflict in Donetsk, Ukraine June 25, 2022. REUTERS/Alexander Ermochenko 

People wait to receive humanitarian aid as volunteers from the organisation Vostok SOS help evacuate civilians from war-affected areas of eastern Ukraine, amid Russia's invasion of the country, in Bakhmut, Donetsk region, Ukraine, June 27, 2022. REUTERS/Marko Djurica 

A man with his dog sits in a train to Dnipro and Lviv during an evacuation of civilians from war-affected areas of eastern Ukraine, amid Russia's invasion of the country, in Pokrovsk, Donetsk region, Ukraine, June 25, 2022. REUTERS/Marko Djurica 

A Ukrainian service member looks on in the industrial area of the city of Sievierodonetsk, as Russia's attack on Ukraine continues, Ukraine June 20, 2022. Picture taken June 20, 2022. REUTERS/Oleksandr Ratushniak 

Anna Sydorenko reacts as her friend Eugenia Savchenko is helped by volunteers from the organisation Vostok SOS during the evacuation of civilians from war-affected areas of eastern Ukraine, amid Russia's invasion of the country, in Bakhmut, Donetsk region, Ukraine, June 27, 2022. REUTERS/Marko Djurica 

A Ukrainian serviceman looks on from inside a tank at a position in Donetsk region, as Russia's attack on Ukraine continues, Ukraine June 11, 2022. Picture taken June 11, 2022. REUTERS/Stringer TPX IMAGES OF THE DAY 

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 

Ukrainian servicemen ride BMP-1 infantry fighting vehicle, amid Russia's attack on Ukraine, in Donetsk region, Ukraine June 14, 2022. REUTERS/Gleb Garanich 

Olha sits inside a passenger train that has been converted by authorities into apartments for people who lost their homes in Irpin, near Kyiv, Ukraine June 15, 2022. Picture taken June 15, 2022. REUTERS/Marko Djurica 

Ukrainian service members prepare shells for a M777 Howitzer near a frontline, as Russia's attack on Ukraine continues, in Donetsk Region, Ukraine June 6, 2022. REUTERS/Stringer 

A Ukrainian serviceman looks on as he sits inside a truck with howitzer shells, while Russia's attack on Ukraine continues, in Mykolaiv Region, Ukraine June 15, 2022. Picture taken June 15, 2022. REUTERS/Anna Kudriavtseva 

A local resident Nelya reacts near her building destroyed by Russian military strike, amid Russia's invasion on Ukraine, in the town of Druzhkivka, in Donetsk region, Ukraine June 6, 2022. REUTERS/Gleb Garanich 

A Ukrainian service member walks at a position on the front line, amid Russia's attack on Ukraine, near the town of New York, Donetsk region, Ukraine June 14, 2022. REUTERS/Gleb Garanich 

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 

A Ukrainian service member stands in a trench at a position on the front line, amid Russia's attack on Ukraine, near the town of New York, Donetsk region, Ukraine June 9, 2022. REUTERS/Gleb Garanich 

A Ukrainian service member is a pictured at a position on the front line, amid Russia's attack on Ukraine, near Bakhmut, Donbas region Ukraine June 5, 2022. REUTERS/Gleb Garanich 

A Ukrainian soldier who calls himself Oleksandr Tchaikovsky looks on from his living quarters in a trench, as Russia's attacks on Ukraine continue, in Mykolaiv region, Ukraine June 12, 2022. REUTERS/Edgar Su 

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 Ukrainian soldier who calls himself Vasil Peruka (nickname Vasil the Barber) walks along a trenchline, as Russia's attacks on Ukraine continue, in Mykolaiv region, Ukraine June 12, 2022. REUTERS/Edgar Su 

An Ukrainian service member looks on as he rides on top of a military vehicle, amid Russia's invasion of Ukraine, on the road from Bakhmut to Kostyantynivka, in the Donetsk region, Ukraine, May 29, 2022 REUTERS/Carlos Barria