"Residents of the Donetsk region in eastern Ukraine prepare to board buses for Rostov-on-Don in Russia from a collection point in Donetsk July 14, 2014. Russia threatened Ukraine on Sunday with ""irreversible consequences"" after a Russian man was killed by a shell fired across the border, while Kiev said Ukrainian warplanes struck again at separatist positions in the east of the country, inflicting big losses. REUTERS/Maxim Zmeyev (UKRAINE - Tags: POLITICS CIVIL UNREST)"
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