Russia lost 1,140 servicemen in a single day, the Ukrainian Armed Forces' General Staff said on 11 February.
Russia's total losses in Ukraine have thus reached 136,880 troops.
Russia's other losses include 3,267 (+9) tanks, 6,474 (+3) armoured personnel vehicles, 2,270 (+19) artillery systems, 463 MRLS, 234 (+1) anti-aircraft warfare systems, 295 warplanes, 286 helicopters, 1,997 (+27) operational-tactical UAVs, 857 (+61) cruise missiles, 18 warships/boats, 5,134 (+8) vehicles and fuel tankers, 214 (+3) special equipment items.