Russian monitoring resources report up to 350 drones in the air right now, with the heaviest concentration over the Belgrade and Voronezh regions. Smaller clusters are tracked near Kursk, Rostov, Luhansk and western Crimea.

Russian monitoring resources report up to 350 drones in the air right now, with the heaviest concentration over the Belgrade and Voronezh regions. Smaller clusters are tracked near Kursk, Rostov, Luhansk and western Crimea.