- On Dec 20, Russian air defense shot down 9 drones in the Belgorod region;
- On Dec 20, Russian air defense shot down 5 drones in the Voronezh region;
- On Dec 20, Russian air defense shot down 3 drones in the Black Sea region;
- On Dec 20, Russian air defense shot down 1 drone in the Krasnodar region;
- On Dec 20, Russian air defense shot down 1 drone in the Kursk region;
- On Dec 20, Russian air defense shot down 2 drones in the Bryansk region;
- On Dec 21, Russian air defense shot down 1 drone in the Tatarstan region;
- On Dec 21, Russian air defense shot down 2 drones in the Bryansk;
- On Dec 21, 8 drones attacked Kazan. An industrial facility and residential buildings were damaged;
- On the evening of December 21, the AFU attempted strikes on Crimea.
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