Officials and eyewitnesses recount the militant Muslim fundamentalist group's audacious attack on a military base, which left many killed and injured.
Boko Haram is abducting Christian women whom it converts to Islam on pain of death and then forces into "marriage" with fighters.
Nearly 1 000 people, mostly suspected Islamist militants, have died in Nigerian prisons in 2013 alone, says Amnesty International.
Gunmen have killed at least 40 people, mostly students, at the College of Agriculture in Yobe state, Nigeria.
Percy Zvomuya speaks to Nigerian-American writer Teju Cole, who was in South Africa for the Open Book Festival.
Boko Haram insurgents have killed 41 pupils in an attack on a school in Nigeria's Yobe state.
Suspected Islamist extremists have stormed a mosque and shot dead 44 worshippers and 12 others in a nearby village in Nigeria, say officials.
Suspected members of Islamist group Boko Haram shot dead more than 20 civilians when a vigilante group attacked them in the northern Borno state.
Nigeria's Yobe state has ordered the closure of all secondary schools after a massacre that saw suspected Islamist extremists kill 42 people.
Suspected Islamist gunmen killed 27 students and a teacher in a boarding school in the north-east Nigerian town of Potiskum on Saturday.
Raids by gunmen in central Nigeria and gun battles between soldiers and attackers have killed at least 48 people and left dozens of homes burnt.
The rebel group has driven 19 000 rice farmers from their land, while a military crackdown is preventing thousands more from working their fields.
President Goodluck Jonathan took a gamble when he launched an offensive on Boko Haram's attempt to establish an Islamic state in northern Nigeria.
Pressing on with a sweeping offensive against Boko Haram militants, Nigeria's military says it re-established control in five remote areas.
Nigeria's military has enforced a round-the-clock curfew in parts of the north-eastern city of Maiduguri, the home base of Boko Haram.
Soldiers in Nigeria have shelled suspected camps of extremists in the first military action of a new offensive against insurgents, says an official.
President Goodluck Jonathan has declared a state of emergency in three northeastern states
Nigeria's President Goodluck Jonathan has imposed a state of emergency in three states worst hit by increasing violence by Boko Haram extremists.
The purported head of Nigerian Islamist group Boko Haram has claimed responsibility for two recent deadly attacks in the northeast in a video.
Co-ordinated attacks by Islamic extremists armed with heavy machine guns have killed at least 42 people in northeast Nigeria.