New Nigerian president Muhammadu Buhari arrives with his wife Aisha, before taking oath of office at the Eagles Square in Abuja on Friday. Photograph: Pius Utomi Ekpei/AFP/Getty Images.

New Nigerian president Muhammadu Buhari has vowed to eradicate the “mindless, godless” militant group Boko Haram and rescue hundreds of women and chil(...)

A girl holds a candle during a vigil for the girls who were abducted from a secondary school in Chibok, on the anniversary of their abduction in Abuja April 14, 2015. Photograph: Afolabi Sotunde/Reuters

More than 200 schoolgirls abducted from their school dormitories by Boko Haram militants last year are not among the nearly 300 girls and women rescue(...)

A file screengrab taken on May 12, 2014, from a video of Nigerian Islamist extremist group Boko Haram obtained by AFP shows girls, wearing the full-length hijab and praying in an undisclosed rural location. Photograph: AFP/Getty Images  1:41

Boko Haram Islamic militants have kidnapped at least 2,000 girls and women since the start of last year, turning them into cooks, sex slaves and fight(...)

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 (...)

Nigerian president Goodluck Jonathan (C) carries a child as he marches  in Abuja on Saturday. Jonathan led government officials as well as leading sports personalities on an outdoor physical training exercise aimed at promoting sports and fitness among state officials and culminating in a rally to drum support for his relection. Presidential elections scheduled for February 14 were delayed for six weeks as the military said the ongoing counter-offensive against Islamist Boko Haram militants meant troops could not provide security on polling day. Elections will take place on March 28th, with gubernatorial and state house assembly polls two weeks later. Photograph: AFP/Getty Images

Nigeria’s Islamic extremist group Boko Haram has reportedly pledged formal allegiance to Islamic State.The pledge, which came after Boko Haram was dis(...)

 Mayeli Hernandez who was forced to leave    Honduras as a 12-year-old due to increasing violence. Amnesty International governments paid lip-service to protecting civilians last year while “failing miserably”. Photograph: Alex Wong/Getty

Last year was “devastating” for human rights across the world and the United Nations did too little to protect them, according to Amnesty Internation(...)

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(...)

Chadian soldiers patrolling in the Nigerian border town of Gamboru after taking control of the city on February 4th, 2015. Photograph: Stephane YasstephaneYAS/AFP/Getty Images

Boko Haram fighters attacked a village in Chad on Friday, the first known lethal attack in that country by the Nigerian militant group, which killed s(...)

Police officers block people protesting over news that Nigeria has postponed its presidential election on security grounds and fears over Boko Haram violence.  Photograph: AFP/Getty

Nigeria’s decision to postpone elections for six weeks because of spreading attacks by the Islamist militant group Boko Haram in the northeast is a “s(...)

Nigerian refugee women cook in a United Nations Refugee Agency (UNHCR) refugee camp in Baga Sola by Lake Chad, which borders Chad, Nigeria, Niger and Cameroon. Since the beginning of January more than 14,000 people have fled to escape the bloody attacks by Islamist group Boko Haram. Photograph: AFP/Getty Images/Sia Kambousia Kambou

Nigeria’s electoral commission is to postpone presidential and legislative elections for six weeks to give a new multinational force time to secure no(...)