Russian cities beneath drone assault: explosions and hearth at an oil refinery in Sochi (video)

Russian cities beneath drone assault: explosions and hearth at an oil refinery in Sochi (video)<p>On the evening of August 3, quite a lot of Russian cities, together with Voronezh and Sochi, have been attacked by unknown drones. An oil depot caught hearth in Sochi, and the airport suspended operations.</p>