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Ukraine warns Russia against 'act of aggression' in Crimea

Ukraine's acting president has warned Russia that troop movements outside its naval base in Crimea would be seen as an "act of aggression". Armed men seized regional government headquarters and parliament and the Russian flag is flying from buildings

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Acting Ukraine president's 'separatism' concerns

Ukraine's acting President Oleksander Turchinov has expressed concerns about "signs of separatism" in the mainly Russian-speaking Crimea.

A member of a self defence unit stands guard at the parliament building in Kiev February 25, 2014. Credit: Reuters\David Mdzinarishvili

Protesters in the south of the country have staged demonstrations against Ukraine's new leaders since President Viktor Yanukovich was ousted.

A Russian-speaking mayor has also been appointed in Sevastopol, where Russia's Black Sea fleet is based.

Turchinov said in a press statement anyone who is held responsible for separatist moves should be punished.

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