DONETSK, UKRAINE - MAY 11: A poll worker prepares ballots at a polling station on May 11, 2014 in Donetsk, Ukraine. A referendum on greater autonomy is being held after pro-Russian activists took over at least ten cities in the eastern part of the country in a bid for less control from the central government from Kiev. (Photo by Brendan Hoffman/Getty Images) *** Local Caption ***
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