Nigeria’s President Muhammadu Buhari speaks to the media after casting his vote in  Daura, in northern Nigeria. Photograph: Ben Curtis/AP Photo

Nigeria’s opposition leader has rejected incumbent Muhammadu Buhari’s claim that he won the presidential election, denouncing the poll as a “sham” a(...)

Electoral commission officers and voters discuss while votes are counted at a polling station in Yola, Adamawa State on Saturday. Photograph: Luis Tato/AFP/Getty Images

As many as 39 people were killed in election violence in Nigeria, civil society groups said on Sunday, as the country awaited the results of voting in(...)

Muhammadu Buhari, who is seeking a second term as president of Nigeria. Photograph: Luc Gnago/Reuters

Nigeria was thrown into disarray on Saturday after its presidential election was delayed just hours before polls were set to open, in a dramatic late-(...)