FILE -  In this Sunday, Feb. 9, 2014 file photo then Ukrainian lawmaker and opposition leader Petro Poroshenko, left, and then Ukrainian opposition leader Arseniy Yatsenyuk  attend a rally in the Independence Square in Kiev, Ukraine.  Prime Minister Arseniy Yatsenyuk, one of the leaders of the Maidan protests, announced Sunday that he would submit his resignation to parliament on Tuesday. This cleared the way for the parliament speaker, Volodymyr Groysman, to replace him and form a new government. The parties led by Yatsenyuk and President Petro Poroshenko will still dominate the governing coalition, but the choice of Groysman, a member of Poroshenko's party, was seen as strengthening the hand of the president. (AP Photo/Sergei Chuzavkov, file)
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