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Ukraine conflict: Turchynov appeals to Putin

28 February 2014 Last updated at 23:07 GMT

Acting Ukrainian President Oleksander Turchynov has called on Russian President Vladimir Putin to withdraw troops from Crimea.

In a TV address, he appealed to Moscow to "immediately stop provoking us."

It comes amid unconfirmed reports that Russian planes have flown hundreds of troops into the region.