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Are there Chechen fighters in Ukraine?

29 May 2014 Last updated at 19:05 BST

Reports suggest Chechen fighters are being sent to eastern Ukraine to support pro-Russian militia there.

Chechnya's Moscow-backed leader Ramzan Kadyrov has denied sending his troops, but he said there could well be Chechen volunteers fighting against the Ukrainian army.

BBC Russian's Olga Ivshina reports from Donetsk.

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