The former military ruler was first elected as civilian president of Africa’s most populous nation and leading oil producer in 2015
Muhammadu Buhari is seeking a second term but is facing a strong challenge from Atiku Abubakar who has campaigned largely against his record in office
President Buhari replaced Chief Justice Walter Onnoghen, sparking claims he had breached the constitution and was trying to manipulate the judiciary
Voters go to the polls on February 16, four years after Buhari’s landmark victory
Nigeria has delayed presidential elections after security chiefs said the military needed more time to secure areas under the control of Boko Haram.
The virus has claimed its first victim in Nigeria, prompting officials to deploy health workers to all entry points and seek out suspected cases.
Nigeria has ruled out the release of Boko Haram fighters in exchange for the freedom of more than 200 schoolgirls kidnapped by the militants.
Nigeria has become Africa’s biggest economy, leapfrogging South Africa, after the government announced a long-overdue rebasing of the country’s GDP.
Sudan’s President Omar al-Bashir, who was attending an AU health summit, has left Nigeria following demands for his capture over war crime charges.
Nigerian President Goodluck Jonathan has vowed to harness the potential of the oil-rich country, which remains dogged by poverty, graft and violence.