FILE - An aerial view of Vuhledar, the site of heavy battles with the Russian troops in the Donetsk region, Ukraine, Feb. 10, 2023. (AP Photo/Libkos, File)

FILE - A residential building which was destroyed by Russian forces is seen through the broken window, in the frontline city of Vuhledar, Ukraine, Feb. 25, 2023. (AP Photo/Evgeniy Maloletka, File)

FILE - A destroyed car is seen in front of a residential building which was heavily bombed by Russian forces, in the frontline city of Vuhledar, Ukraine, Feb. 25, 2023. (AP Photo/Evgeniy Maloletka, File)

FILE - A Ukrainian marine serviceman runs to take a position through the residential blocks in the frontline city of Vuhledar, Ukraine, Feb. 25, 2023. (AP Photo/Evgeniy Maloletka, File)

FILE - This image provided by the Ukrainian Armed Forces and taken in February 2023 shows damaged Russian tanks in a field after an attack on Vuhledar, Ukraine. (Ukrainian Armed Forces via AP, File)

FILE - A Ukrainian serviceman of 68 Oleksa Dovbush hunting brigade drives by M113 armoured vehicle towards frontline positions near Vuhledar, Ukraine, Feb. 22, 2023. (AP Photo/Evgeniy Maloletka, File)

FILE - A part of a rocket sticks from a ground in front of a residential building which was heavily bombed by Russian forces in the frontline city of Vuhledar, Ukraine, Feb. 25, 2023. (AP Photo/Evgeniy Maloletka)