MOSCOW, August 3. /TASS/. As many as 55 Ukrainian unmanned aerial vehicles (UAVs) attacked southern Russia’s Rostov Region last night, Governor Vasily Golubev said.

"Last night, the Rostov Region was attacked by 55 Ukrainian UAVs. The attack caused no casualties," the official wrote on the Telegram messaging app.

Response teams are working at the scene, he added.