Continue reading the main story At least 35 people are reported to have been killed in an explosion in north-eastern Nigeria’s Adamawa state.
Some reports said the blast was caused by a roadside bomb and occurred near the town of Mubi, close to the Cameroonian border.
Earlier this month Mubi was recaptured from Islamist group Boko Haram, which controls many towns in the region.
In April the group kidnapped more than 200 schoolgirls in the town of Chibok, causing international outrage.
Five of the dead in the latest blast are said to be soldiers.
The attack comes two days after at least 78 people were killed in a twin suicide bombing in Maiduguri.Boko Haram frequently carries out attacks in Nigeria and has been designated as a terrorist group by the US and other Western countries.It was based in Maiduguri, the capital of Borno state, after its formation in 2002, but has since been driven out of the city by the military and vigilante groups.