The incumbant has declared defeat in the hotly contested race, sources say. Buhari previously helmed the country under military rule from 1983 - 1985. He won by two million votes.
Two gunmen were killed during the raid, as well as their prosecutor hostage. The perpetrators were reportedly radical Marxists acting in retailiation for a murdered protester at the hands of police.
Up to 80% of local health workers have been evacuated. Europe,Russia,TB,Ukraine,Natalie Shure
Saudi planes blamed for air strike that killed at least 40 people.
Muhammadu Buhari reportedly leading incumbent President Goodluck Jonathan by 2 million votes.
Technical issues, fatal shootings by Boko Haram militants mar election.
At least six people were killed at Makka al Mukarama Hotel.
Officials in Mombasa rounded up suspected radicals.
Hungarian trading houses are opened in Mexico City and Santiago, Chile, as exports increase.
Appeals court has upheld a decision to toss controversial case against Cristina Fernandez de Kirchner.
Flooding in Chile's North has killed at least 7.
McDonald's will return to Bolivia after a 13-year absence, and Cuba is open to the Golden Arches.
Atheist blogger hacked to death one month after similar attack.
Magnitude 7.7 earthquake prompts tsunami warning.
At least 30 other laborers injured in construction site accident.
Anti-nuclear protests appear to be extension of recent demonstrations.
Turkish Airlines flights made two unexpected landings.
Recovery teams have so far only reached site on foot or by helicopter.
The draconian bill will allow security forces to fire on protesters.
The UNHCR reports a 45% increase in one year.
Clashes continue with Iranian-allied Houthi fighters in Aden.
Officials hope for breakthrough after almost 18 months of negotiations.
Thousands of demonstrators turn out for anti-terror march.
President Abd-Rabbu Mansour Hadi left his refuge in Aden.
Two suspects attempted to ram vehicle through gates of agency's HQ.
At least 19 injured in possible gas explosion.
U.S. Sgt. Bowe Bergdahl went missing from Army base in 2009.
White House pessimistic on two-state solution after Israeli premier vowed to oppose a Palestinian state.