795victims
29 August 2014 · · Donetsk oblast
Killing of withdrawing Ukrainian troops after a promised 'green corridor' at IlovaiskAs encircled Ukrainian troops withdrew from Ilovaisk on 29 August 2014 under a promised safe-passage 'green corridor', Russian and Russia-backed forces ambushed the retreating columns. Official Ukrainian data record 366 servicemen killed, 429 wounded, 128 captured and 158 missing. Moscow denies its regular forces were present, though extensive evidence contradicts this.
sources: BBC News — Ukraine's deadliest day: The battle of Ilovaisk, August 2014Euromaidan Press — Two years after the Ilovaisk tragedy, guilty not found