Citizens are going to the polls today after a last-minute postponement earlier this week.
The main challenger to reigning president Muhammadu Buhari is former Vice-President Atiku Abubakar.
It is not known exactly when the final results will be announced.
Experts say a winner could be declared as late as Tuesday.
Nigeria is Africa's most populated country.
Kuwait suspends flights, activates emergency plan after Iranian attack on airport
An Iranian drone and missile attack struck Kuwait's international airport, forcing authorities on Wednesday to suspend air traffic and divert flights to nearby airports until further notice.
At least 18 foreign nationals among 21 killed in Delhi hotel fire
At least 21 people, including 18 foreign nationals, were killed in a fire at a hotel in Delhi on Wednesday, police and broadcaster CNN-News18 said, in one of the worst such incidents in the national capital since 2022.
US to re-engage with Gavi vaccine alliance amid Ebola outbreak
US Secretary of State Marco Rubio said on Tuesday that the US would re-engage with the global vaccine alliance Gavi amid the Ebola outbreak in several African countries.
Israeli fire kills four people in Gaza, medics say
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Philippines' Marcos urges Senate to return to work as gridlock deepens ahead of break
Philippine President Marcos Jr. called on the Senate to "get back to work," expressing disbelief on Wednesday that an impasse in the upper chamber has stalled urgent legislative duties ahead of a congressional break.
