As turmoil continues to grip eastern Ukraine, one separatist has been making a name for himself. Denis Pushilin is the self-proclaimed leader of the Donetsk People's Republic - and until now was completely unknown.
Pro-Russian activists in eastern Ukraine are refusing to accept an international deal struck in Geneva on Thursday. Instead, they've placed new demands on the government in Kyiv. The city of Donetsk remains on edge.
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