A wreck of a Russian Armoured Personnel Carrier (APC) is seen on the front line in the Kyiv region, Ukraine March 28, 2022. REUTERS/Gleb Garanich 

Wrecks of a Russian Armoured Personnel Carriers (APC) and military vehicles are seen on the front line near Kyiv as Russia's invasion of Ukraine continues, Ukraine March 29, 2022. REUTERS/Gleb Garanich 

A soldier takes a photograph of his comrade as he poses beside a destroyed Russian tank and armoured vehicles, amid Russia's invasion on Ukraine in Bucha, in Kyiv region, Ukraine April 2, 2022. REUTERS/Zohra Bensemra TPX IMAGES OF THE DAY 

Destroyed Russian military vehicles are seen on a street in the settlement of Borodyanka, as Russia's invasion of Ukraine continues, in the Kyiv region, Ukraine March 3, 2022. Picture taken with a drone. REUTERS/Maksim Levin 

A Ukrainian service member inspects remains of a destroyed Russian T-72 tank, as Russia's attack on Ukraine continues, in the recently liberated village of Lukianivka, in Kyiv region, Ukraine March 27, 2022. REUTERS/Serhii Nuzhnenko 

A view shows a stuck Russian tank, as Russia's attack on Ukraine continues, in the village of Nova Basan, in Chernihiv region, Ukraine April 1, 2022. Picture taken April 1, 2022. REUTERS/Serhii Nuzhnenko 

A Ukrainian serviceman stands near the wreck of a Russian tank on the front line in the Kyiv region, Ukraine March 28, 2022. REUTERS/Gleb Garanich 

Ukrainian servicemen walk by a damaged vehicle, at the site of a fighting with Russian troops, after Russia launched a massive military operation against Ukraine, in Kyiv, Ukraine February 26, 2022. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY 

A wreck of a Russian Armoured Personnel Carriers (APC) is seen on the front line in the Kyiv region, Ukraine March 28, 2022. REUTERS/Gleb Garanich 

A destroyed Russian armoured fighting vehicle is seen, as Russia's attack on Ukraine continues, in the village of Lukianivka, recently liberated by Ukrainian Armed Forces, in Kyiv region, Ukraine March 27, 2022. REUTERS/Serhii Nuzhnenko 

A Ukrainian service member walks next to a damaged Russian BTR-82, as Russia?' attack on Ukraine continues, in the village of Nova Basan, in Chernihiv region, Ukraine April 1, 2022. Picture taken April 1, 2022. REUTERS/Serhii Nuzhnenko 

A destroyed Russian T-72 tank is seen, as Russia's attack on Ukraine continues, in the village of Dmytrivka in Kyiv region, Ukraine April 1, 2022. REUTERS/Oleksandr Klymenko 

A view shows destroyed Russian Army multiple rocket launchers with the letter "Z" painted on their sides in Kharkiv, Ukraine February 25, 2022. REUTERS/Maksim Levin