MOSCOW, June 4. /TASS/. Russian Defense Ministry Spokesman Igor Konashenkov on Saturday said Russia’s drones, army and tactical aircraft destroyed more than 400 Ukrainian nationalists and four Grad MLR systems.

"Tactical, army and unmanned aviation struck 54 clusters of Ukrainian troops and military equipment," he said. "A total of more than 400 nationalists were killed in the aviation strikes."

Russian aviation also destroyed 20 tanks and armored vehicles and four BM-21 Grad MLR systems, he said.