Full Coverage
Nigeria election: Muhammadu Buhari re-elected as president
By Fergal Keane
Nigeria's President Muhammadu Buhari reelected, but opponent rejects results
By Stephanie Busari & Aanu Adeoye
What we've learnt from the Nigerian election
By Tomi Oladipo
Muhammadu Buhari wins Nigerian election with 56% of the vote
By Ruth Maclean & Eromo Egbejule