With the support of army helicopters, Russian invaders' units have tried to prevent further advance of Ukrainian troops to the state border in the Kharkiv direction, Ukraine's General Staff said in a Facebook post on June 15.
According to the Ukrainian military, the enemy fired on civilian infrastructure near the settlements of Peremoha, Ruska Lozova, Stara Hnylytsia, Bairak, Verkhniy Saltiv, and Zamulivka.
The invaders also launched an air strike near the village of Mospanove.
The General Staff added that fighting continues near the village of Rubizhne.
As reported earlier, fierce fighting was taking place near the town of Izyum in Kharkiv Oblast, where the Russian invaders were reported to have deployed about 25 battalion tactical groups.