"Russia disguises military factories as ordinary ones, trying to hide their true production. But everything is known," Kovalenko wrote. Read also: Fires, explosions, and ‘drone debris’ hit seven Russian regions overnight According to Russia's Emergencies Ministry,

Massed Russian aerial attacks using long-range drones have been a near-daily occurrence over Ukraine in the past several months, as Moscow looks to exhaust Kyiv's air defences alm