Tweets from journalists at a press meeting called by Aleksandr Borodai, the self-proclaimed 'prime minister' of the 'Donetsk People's Republic', report that Borodai has admitted to the presence of Chechen fighters in Ukraine.

Of course, it must be noted that Borodai himself is a Russian citizen.

Fighters from the separatist Vostok Battalion were filmed telling reporters that they were from Chechnya on Sunday at a rally in Donetsk.

Earlier on there were frightening scenes outside the DPR headquarters in Donetsk, reported by the Kyiv Post's Isaac Webb: