Victims were members of vigilante group that helps Nigerian army fight against Isis-affiliated terrorists.
At least 31.1 million people became internally displaced last year due to conflicts and natural disasters.
Fears of non-democratic change of power emerge as Buhari is on medical leave for second time this year.
Surrendered suicide bomber explains ordeal after four years of captivity with Isis-affiliated terrorists.
Osinbajo leading Nigeria as President Buhari is in the UK for medical exams amid ill-health rumours.
Why there is a myriad of challenges in reintegrating 82 young women back into their communities.
A total of 103 girls will resume their studies, says Nigerian minister.
Fake Captagon tablets may have been destined for Islamist fighters like Boko Haram.
For the second time this year, the 74-year-old leader travels to London fanning ill-health rumours.
'I am happy where I am' said the girl after Boko Haram had agreed to free her following 2014 mass abduction.
Freed hostages were part of more than 200 schoolgirls Boko Haram kidnapped from Chibok village in April 2014.
The girls were handed over on 6 May in exchange for Boko Haram suspects.
The girls were among 276 who were abducted by the militant group in 2014.
Two Nigerian officials stole then sold 180 bags of rice donated by the Danish Refugee Council.
Terrorist groups are said to be exploiting control of natural resources during times of scarcity due to climate change.
Sa'a got away on the night of the school raid in northern Nigeria – hundreds of others did not.
197 teenagers abducted on 14 April 2014 are still missing.
Nigerian security service claimed to have stopped a planned attack on UK and US embassies in Abuja.
Security forces were engaged in a shootout as heavily armed militants raided a village in the Diffa region.
Family forced into impossible situations as an an arc of hunger and violence stretches across Africa into the Middle East.
Most of the girls kidnapped thought to be aged 17 or below and will likely become fighters' brides.
Bomber tried to detonate explosive in Borno state, epicentre of Boko Haram's insurgency.