A policeman holds stones as he cleans a barricade which was set up by protesters during a protest against president Pierre Nkurunziza in Bujumbura, Burundi, May 10, 2015. East African leaders will hold a summit in Tanzania on May 13 aimed at breaking the political deadlock in Burundi and ensuring the country holds peaceful elections, Tanzania's presidency says. (Photo by Goran Tomasevic/Reuters)
