Young supporters of Muhammadu Buhari, a former military strongman, celebrate his victory in the Nigerian presidential election in Kano, Nigeria. Photograph: Samuel Aranda/The New York Times

Nigeria’s election winner Muhammadu Buhari congratulated outgoing president Goodluck Jonathan for peacefully relinquishing power on Wednesday, a day a(...)

Supporters of   Muhammadu Buhari and his All Progressive Congress (APC) party celebrate in Kano on March 31st, 2015. Nigeria’s opposition APC declared an election victory on Tuesday for former military ruler Mr Buhari and said Africa’s most populous nation was witnessing history with its first democratic transfer of power. Photograph: Goran Tomasevic/Reuters

With anger swelling over corruption, inequality and the devastating Boko Haram insurgency in the nation’s north, Nigerians have chosen a former gener(...)

All Progressives Congress (APC) party supporters sit on the floor during a march towards the Independent National Electoral Commission Office in Port Harcourt calling for the cancellation of the presidential elections in the Rivers State. Some 2,000 women protesting against the conduct of elections in Nigeria’s Rivers state were teargassed on Monday as they tried to register their complaints with electoral officials. Photograph: AFP/Getty Images.

Nigerian president Goodluck Jonathan and his rival Muhammadu Buhari were running neck and neck on Monday after the first phase of results in an eagerl(...)

A woman casts her ballot at a polling station in Lagos during presidential elections on Sunday. Photograph:  AFP/Getty Images

Confusion and violence blighted Nigeria’s tensest presidential election since the end of army rule, with the opposition rejecting results from a turbu(...)

Women wait in line outside a polling station in Gidan Niyam Sakin Yara in Daura in Katsina State. Photograph: Pius Utomi Ekpei/AFP/Getty Images

Nigeria‘s electoral commission said on Saturday it would extend voting into an extra day in polling stations that had technical issues with biometric (...)

Rival candidates in the Nigerian presidental election, President Goodluck Jonathan (left) and Muhammadu Buhari exchange a signed peace deal in Abuja on Thursday. About 800 people died in post-election violence in 2011 in which Mr Jonathan defeated Mr Buhari. Photograph: EPA/STR

Nigeria’s president Goodluck Jonathan warned against violence ahead of Saturday’s presidential election as people stockpiled food, cash and fuel for f(...)

Nigerien soldiers hold up a Boko Haram flag that they seized in the recently retaken town of Damasak. Photograph: Emmanuel Braun /Reuters

Soldiers from Niger and Chad who liberated the Nigerian town of Damasak from Boko Haram militants have discovered the bodies of at least 70 people,(...)

Residents stand near a smouldering remains of a bus targeted in a suicide attack in the northeast Nigerian town of Potiskum, on February 24th, 2015. Photograph: AMINU ABUBAKAR/AFP/Getty Images

Suicide bombers struck two bus stations in different parts of northern Nigeria on Tuesday, killing at least 26 people in attacks president Goodluck Jo(...)

A  woman carrying goods in the Cameroonian border town of Fotokol. Nigerian Boko Haram fighters went on the rampage in the border town of Fotokol on February 4th, massacring dozens of civilians. Photograph: Getty Images

Boko Haram militants fleeing a Nigerian army offensive killed 21 people on Friday in attacks near the northern village of Chibok, close to where the r(...)

Malala Yousafzai: “The leaders of Nigeria should commit to work together and make the case of the Chibok girls a priority in their first 100 days in office, as well as the education of every Nigerian child.” Photograph: Eric Luke

Malala Yousafzai, the Pakistani schoolgirl shot in the head by the Taliban, has criticised Nigerian and world leaders for not doing enough to free (...)