A female suicide bomber has blown herself up at a market in northeast Nigeria, killing at least 12 people.
There were no immediate claims of responsibility for Sunday's blast in Azare, a town in Nigeria's Bauchi State, but similar bombings have been carried out in the region by the Islamist militants of Boko Haram, who are waging an insurgency against the government.
Earlier Sunday, the Nigerian army said it had pushed Boko Haram militants out of the northeastern town of Chibok, the home of more than 200 schoolgirls the group kidnapped earlier this year.
Army officials say the military recaptured the town in an operation late Saturday, just two days after it was seized by Boko Haram.
Locals say the army was aided in the operation by a vigilante force.
There was no information about casualties from Saturday's battle…