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A pro-Russia activist gestures as he guards a barricade outside the regional police building in the eastern Ukrainian city of Slavyansk on April 15, 2014.
A pro-Russia activist gestures as he guards a barricade outside the regional police building in the eastern Ukrainian city of Slavyansk on April 15, 2014.

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    U.S.: Russia destabilizing Ukraine

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U.S.: Russia destabilizing Ukraine

The U.S. and others do not believe Russia's insistence that it is not interfering with events in Ukraine.

U.S.: Russia destabilizing Ukraine

The U.S. and others do not believe Russia's insistence that it is not interfering with events in Ukraine.