Russia's War Against Ukraine
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Askold Krushelnycky: Ukraine wins a battle in the east

Pro-Russia activists holds Russian flags as he and others picket in front of pro-Ukraine supporters holding Ukrainian flags as they rally in the center of the eastern city of Donetsk on April 22, 2014.
In April, pro-Russian gunmen seized power in the industrial city of Mariupol in southeastern Ukraine. The separatists succeeded in driving out a local Ukrainian national guard unit and shot the local police chief.