20 people die in a bomb attack in north-western Nigeria's Zaria city, state governor Nasir El-Rufa'i says.

Two bomb attacks on the central Nigerian city of Jos leave at least 44 people dead, the authorities say.

Two girls blew themselves up near a crowded mosque in northeast Nigeria's biggest city, killing about 30 people, witnesses said.

Boko Haram militants rape hundreds of women and girls in Nigeria as a deliberate strategy to dominate rural residents and possibly even create a new generation of Islamist militants.

Former hostages held by Boko Haram militants in northern Nigeria say some fellow captives were stoned to death as the army approached to rescue them.

Another 234 women and children have been rescued from Boko Haram militants in Nigeria, the military announces.

The Nigerian military says it has rescued 200 girls and 93 women from an area where the Islamist militant group Boko Haram is active.

More than 50 of the girls abducted by militant Islamists in Nigeria last year were seen alive three weeks ago, a woman tells the BBC.

About 500 children aged 11 and under are missing from the Nigerian town, Damasak which has been recaptured from Islamist militants

At least 70 bodies are found dumped outside the town of Damasak in north-eastern Nigeria, after it was recaptured from Boko Haram militants

Nigeria's military retakes north-eastern town of Bama from Islamist military group Boko Haram

Islamic State (IS) accepts pledge of allegiance from Nigeria's militant group Boko Haram, according to an audio message

Nigerian militant group Boko Haram pledges allegiance to Islamic State (IS) via Twitter post

Dozens of people are reported to have died in Nigeria in three separate attacks in the key north-eastern city of Maiduguri.

Amnesty International urges the five permanent members of the UN Security Council to give up their power of veto in situations of mass atrocities