Ukrainian, Pro-Russian Militia Sustain Casualties in Slovyansk Gunfire

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Pro-Russian men warm themselves near a fire at a barricade near the police headquarters in Slovyansk, April 13, 2014.

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Ukraine's Interior Minister told residents to stay indoors in anticipation of clashes between pro-Russian militants who have seized official buildings and Ukrainain security forces, in the eastern city of Slovyansk, April 13, 2014.

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Interior Ministry members stand near men who were injured in clashes between pro-Russian and pro-Ukrainian supporters during rallies, in Kharkiv, Ukraine, April 13, 2014.

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Protesters hold a rally outside the mayor's office. Local media reported that separatist protesters seized control of the mayor's office in the town of Mariupol, eastern Ukraine, April 13, 2014.