- On the night of February 11, Russian air defenses destroyed 40 Ukrainian drones in the rear regions;
 - At night, 18 UAVs were destroyed in the Saratov region;
 - At night, 13 UAVs were destroyed in the Rostov region;
 - At night, 6 UAVs were destroyed in the Bryansk region;
 - At night, 2 UAVs were destroyed in the Volgograd region;
 - At night, 1 UAV was destroyed in the Belgorod region;
 - Ukrainian drones struck an oil refinery in Saratov. A fire broke out in the area.
 
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