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 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 

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

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 

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 

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 

Wrecks of a Russian Armoured Personnel Carriers (APC) are seen in the north Kyiv region, Ukraine March 28, 2022.REUTERS/Gleb Garanich 

A view shows destroyed Russian Army all-terrain infantry mobility vehicles Tigr-M (Tiger) on a road in Kharkiv, Ukraine February 28, 2022. REUTERS/Vitaliy Gnidyi 

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

An interior view shows a destroyed Russian Army all-terrain infantry mobility vehicle Tigr-M (Tiger) on a road in Kharkiv, Ukraine February 28, 2022. REUTERS/Vitaliy Gnidyi 

Ukrainian servicemen are seen next to a destroyed armoured vehicle, which they said belongs to the Russian army, outside Kharkiv, Ukraine February 24, 2022. REUTERS/Maksim Levin TPX IMAGES OF THE DAY 

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

The wreck of a Russian tank is seen in the village of Lukyanivka outside Kyiv, as Russia's invasion of Ukraine continues, Ukraine, March 27, 2022. REUTERS/Marko Djurica 

A view shows a destroyed Russian Army all-terrain infantry mobility vehicle Tigr-M (Tiger) on a road in Kharkiv, Ukraine February 28, 2022. REUTERS/Vitaliy Gnidyi 

An interior view shows a destroyed Russian Army all-terrain infantry mobility vehicle Tigr-M (Tiger) on a road in Kharkiv, Ukraine February 28, 2022. REUTERS/Vitaliy Gnidyi 

A view shows a destroyed Russian Army all-terrain infantry mobility vehicle Tigr-M (Tiger) on a road in Kharkiv, Ukraine February 28, 2022. REUTERS/Vitaliy Gnidyi 

A destroyed armoured vehicle is 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