Nigeria's oil regulator has asked industry giant Shell to pay $5bn (£3.2bn) for a spill off the country's southern coast last December.

A suicide bomber has killed five people at a mosque in the north-eastern Nigerian city of Maiduguri, security officials say.

More than 100 people have died in southern Nigeria after a tanker carrying petrol crashed.

Two Nigerian politicians have died during an attack on a funeral for victims of communal violence that led to at least 37 deaths on Saturday.

At least 36 people have been killed in multiple blasts at at least three churches in the northern Nigerian state of Kaduna, and in subsequent reprisals.

Nigerian security forces have shot dead 16 suspected militants from the Islamic sect Boko Haram in the north-eastern city of Maiduguri.