“The Cossacks are facing reprisals” from the separatists, Lyubov A. Korsakova, the editor of a Cossack newspaper, the Front Bulletin, said in an interview here in the traditional Cossack capital. “They started to disarm the Cossacks, and not only to disarm them, but to kill them.”

http://www.nytimes.com/2015/08/05/world/europe/cossacks-face-reprisals-as-rebel-groups-clash-in-eastern-ukraine.html?_r=0