The Ochota massacre (in Polish: Rzeź Ochoty – "Ochota slaughter") was a wave of German-orchestrated mass murder, looting, arson, torture and rape, which swept through the Warsaw district of Ochota from 4–25 August 1944, during the Warsaw Uprising. The principal perpetrators of these war crimes were the Nazi collaborationist Waffen-Sturmbrigade RONA., the so-called "Russian National Liberation Army" (Russian: Русская Освободительная Народная Армия, RONA), commanded by Bronislav Kaminski.
The worst atrocities were committed in the local hospitals, in the Curie Institute, the Kolonia Staszica housing estate, and the Zieleniak concentration camp. In all, about 10,000 residents of Ochota were killed and had their property stolen, after which the district was systematically burnt down by German forces, as were the bodies of many of the victims.
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