Drones strike Russian military infrstructure in two regions: Details

On the night of May 22, unknown unmanned aerial vehicles (UAVs) attacked defense industry facilities in two regions of Russia, according to Andriy Kovalenko, head of the Center for Countering Disinformation.
“Unknown drones attacked Russian defense industry facilities in the Moscow region, in Tula,” Kovalenko writes.
Tula
According to Militarnyi media, the first series of explosions sounded around 2:00 a.m. local time. Eyewitnesses complained about sounds similar to the operation of air defense systems.
Ukrainian drones are attacking targets in the area of the Russian city of Tula (+300km from Ukraine's border) tonight.
— Status-6 (Military & Conflict News) (BlueSky too) (@Archer83Able) May 21, 2025
Russian air defenses have been activated to engage the UAVs. pic.twitter.com/3vB1vuSXxt
Later, the governor of the Tula region announced a massive drone attack and confirmed the operation of air defense systems. In particular, he reported the fall of UAV debris directly in the city of Tula.
The drone attack continued after 6:00 a.m.
Moscow region
According to the Russian Ministry of Defense, from 00:00 to 5:30 a.m., the Russian air defense allegedly destroyed and intercepted 35 drones over the territory of the Moscow region.
Ukraine's strikes on Russian territory
Ukraine regularly attacks military targets such as factories, ammunition depots, logistics facilities, and oil refining enterprises on Russian territory to reduce the enemy’s ability to supply the army and wage war.
Recently, long-range drones of the Security Service of Ukraine attacked two defense industry factories deep in the Russian rear — Bazalt and Splav.