According to the Ukrainian ministry of defence, almost 1000 soldiers were killed on Sunday over just 24 hours of battle, the largest number of casualties on the Russian side since the beginning of the war.
Kyiv has claimed that up to 71,200 Russian soldiers have so far been killed in the conflict.
Serhiy Shaptala, the General Staff of the Armed Forces of Ukraine, gloated in a Facebook post: "It was a good 24 hours. The occupiers suffered their heaviest losses on the Donetsk and Lyman fronts."
On Monday, Ukraine also claimed to have successfully shot down 44 cruise missiles.
British defence intelligence analysts believe that many of the "several thousand" newly mobilised soldiers Russia has deployed to the front line in Ukraine in recent weeks are "poorly equipped", possibly with arms in a "barely usable" condition....