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(...)

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(...)

Nigerian military on patrol in an area reclaimed from Boko Haram. Officials say the Islamist group kidnapped hundreds of civilians while retreating from Damasak in the northeast of Nigeria. Photograph: EPA/STR

Hundreds of civilians, including many children, have been kidnapped by Boko Haram extremists who are using them as human shields in Nigeria, officials(...)

A girl stands in front of soldiers from Niger and Chad in the recently retaken town of Damasak in Nigeria. Soldiers  who liberated the  town  from Boko Haram militants have discovered the bodies of at least 70 people. Photograph: Emmanuel Braun/Reuters

Boko Haram militants have kidnapped more than 400 women and children from the northern Nigerian town of Damasak which was freed this month by troops f(...)

A Nigerian soldier covers his face at a mass grave in the recently retaken town of Damasak, Nigeria, March 20th, 2015. Photograph: Reuters/Emmanuel Braun

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 (...)

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 young girl with explosives strapped to her killed five people and wounded dozens at a security checkpoint outside a market in the northeast Nigerian(...)

The LE Aoife in Dun Laoghaire. File Photograph: Cyril Byrne/The Irish Times

Ireland has agreed to donate the recently decommissioned LE Aoife to the Maltese armed forces as part of an agreement reached between the two countrie(...)

A Boko Haram anti-aircraft gun seized by the Nigerian military at Monguno. A Nigerian border village has been bombed with at least 30 civilians dead, following a week of gains against the Islamist group by the  military forces.    Photograph:  Nigerian military handouts/AFP/Getty Images

An estimated 30 civilians were killed when an unidentified airplane dropped a bomb on a Nigerian border village, military sources based nearby in Nige(...)