"Units of Battlegroup Sever repelled 11 enemy counterattacks near the settlements of Daryino, Zeleny Shlyakh, Malaya Loknya, Nikolayevo-Daryino and Novoivanovka. Russian troops also prevented a Ukrainian attempt to break through the state border of the Russian Federation close to Novy Put," the ministry said in a statement.
Battlegroup Sever continued its offensive and hit 10 Ukrainian units near several settlements, including Daryino, Leonidovo, Nikolayevo-Daryino, Novoivanovka, and Plekhovo.
Russian aviation and artillery also struck manpower and equipment of 12 Ukrainian brigades in border areas of the Kursk region, the MoD said.
Russian tactical aviation and missile forces hit the reserves of seven Ukrainian brigades in the Sumy region.
"Over the past 24 hours, the Ukrainian Armed Forces lost more than 300 servicemen, four tanks, six infantry fighting vehicles, six armored combat vehicles, as well as two mortars and 11 [other] vehicles were destroyed. Two Ukrainian Armed Forces soldiers surrendered," the MoD added.