An official of the Independent Electoral Commission (INEC) registers a voter using a biometric registration system at a polling station in the Apapa district of Lagos on April 11, 2015. Polling stations opened across Nigeria for gubernatorial and state assembly elections, two weeks after a historic first opposition win in the presidential race. AFP PHOTO/PIUS UTOMI EKPEI (Photo credit should read PIUS UTOMI EKPEI/AFP/Getty Images)
