Explosions and gunfire were heard at about 10 p.m. in the Kuje area of Abuja when the attackers arrived and forced their way into the prison through a hole created by the explosives.
More than 100 civilians were killed in Niger over the weekend by extremists who attacked two villages
The attack took place early Thursday at a military camp in Tarkint, north of Gao, an army official told AFP, speaking on condition of anonymity.
Number of inquiries had jumped by 70% since terrorist attack in Westminster in March