Two more hours?published at 18:06 British Summer Time 31 March 2015
There is still one more state - Borno - to be declared in Nigeria before the results of the presidential election are official.
The electoral commission, Inec, quotes its chairman Attahiru Jega in this tweet, external: "Under the circumstances, it's safe to assume that we will reconvene around 8pm when the results will arrive"- Jega #Nigeriadecides"
That means a two-hour delay before Gen Buhari is likely to be declared the winner.