Jihadists have ambushed a civilian convoy in northeast Nigeria's Borno state, killing two people and injuring 15, militia sources said Friday.

The collapse in oil prices linked to the coronavirus crisis has seen Nigeria's revenues from crude dry up and left Africa's largest economy more threatened than ever by its dependence on black gold. 

A girl detonated a bomb, killing three boys at an Islamic seminary in northeast Nigeria in an attack that bore the hallmarks of Boko Haram, a local militia and residents said Friday.

Heavily armed jihadists have carried out an "extremely violent" attack on a vital aid facility housing United Nations workers in northeast Nigeria, the UN said Monday.

Islamic State-aligned jihadists have released five local aid workers abducted last month in violence-wracked northeastern Nigeria, security sources and one of those freed said Thursday.

Jihadists aligned to the Islamic State group have released a video claiming to show the execution of 11 Christians in restive northeast Nigeria. 

The footage posted online late Thursday by IS-linked propaganda arm Amaq showed 11 blindfolded men being shot and stabbed by jihadists from the Islamic State West African Province (ISWAP) at an undisclosed location.

Jihadists have executed four Nigerian hostages held since July, French aid group Action Against Hunger said, adding that one of its staff and two drivers were among those killed.

Police in the northern Nigerian city of Kaduna have rescued more than 300 male students from an Islamic boarding school where many had been tortured and sexually abused, a police spokesman said Friday.

At least one soldier was killed and three others injured when suspected IS-affiliated jihadists ambushed a military convoy in northeast Nigeria's Borno state, according to security sources. 

The death toll from a fuel pipeline blast in Nigeria's commercial hub Lagos has risen to 12, a senior official said, after ten victims died of their injuries from last week's explosion.

A huge fireball was sparked by vandals who broke open a state-run pipeline in order to steal petrol in the Ijegun area of the city on Thursday, in the latest in a string of similar tragedies.