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From left: South African Deputy Prime Minister Cyril Ramaphosa, Ugandan President Yoweri Museveni, Tanzanian President Jakaya Kikwete and Rwandan President Paul Kagame attend on May 13 , 2015 a crisis summit of East African leaders in Dar es Salaam aimed at ending weeks of deadly violence in Burundi against the president's bid for a third term in office. AFP PHOTO / Daniel Hayduk (Photo credit should read Daniel Hayduk/AFP/Getty Images)

From left: South African Deputy Prime Minister Cyril Ramaphosa, Ugandan President Yoweri Museveni, Tanzanian President Jakaya Kikwete and Rwandan President Paul Kagame attend on May 13 , 2015 a crisis summit of East African leaders in Dar es Salaam aimed at ending weeks of deadly violence in Burundi against the president's bid for a third term in office.     AFP PHOTO / Daniel Hayduk        (Photo credit should read Daniel Hayduk/AFP/Getty Images)