TOPSHOTS A man reads the Sun Daily newspapers with the headlines announcing the victory of the main opposition All Progressives Congress (APC) presidential candidate in Lagos, on April 1, 2015. Nigeria's president-elect Muhammadu Buhari on April 1 praised the "statesmanship" of the country's outgoing leader Goodluck Jonathan for conceding defeat in a vote that saw an incumbent lose for the time in the nation's history. AFP PHOTO / PIUS UTOMI EKPEI