Nigeria's state security agency, the Department of State Services, said in April it had thwarted plans by Boko Haram militants linked to Islamic State to attack the British and US embassies in Abuja

In video, purported Boko Haram fighter says group plans to bomb Nigerian capital

The soldiers were killed when the military helicopter crashed in Bogo region during an operation against the Boko Haram

Four soldiers killed in Cameroon helicopter crash

UNICEF sought an increase in humanitarian aid to tackle the severe food shortages that are putting thousands of children at risk

75,000 children could starve to death in Nigeria's hunger crisis: UNICEF

The Nigerian army launched an offensive to capture the town of Mallam Fatori when Boko Haram militants moved in with reinforcements

Nigerian army battles Boko Haram militants to retake town in northeast