Russian forces are bolstering assault groups in Vovchansk, Kharkiv Oblast, and shelled the city with TOS-1A heavy flamethrowers and MLRS on Aug. 23, according to the Kharkiv operational-tactical group.
Two combat clashes are ongoing near Vovchansk and Hlyboke, the military reports.
"The situation in Kharkiv Oblast remains tense as Ukrainian Defense Forces continue to repel Russian attacks, counterattack, and strengthen their defense," the statement said.
In Hlyboke, the Russians have increased aerial reconnaissance with drones and sent more personnel to the front lines.
Near Lukyantsi, Russian forces are upgrading their communication system and logistics support.
In the past day, Russians launched 38 drone attacks and shelled Ukrainian positions 441 times.