Tens of millions of Nigerians have voted in a presidential election there. Voting is reported to have gone smoothly.
Incumbent Goodluck Jonathan is being challenged by former General Muhammadu Buhari.
Other candidates for the presidency include former anti-corruption chief Nuhu Ribadu and Kano state governor Ibrahim Shekarau.
Early results from a handful of polling stations give Mr Jonathan a comfortable lead.
He needs a simple majority and a quarter of the vote in two thirds of the 36 states to win in the first round.
The BBC reports Mr Jonathan has staked his reputation on the conduct of the election, repeatedly promising it will be free and fair.
More than 73 million people are registered to vote. There are 120,000 polling stations.