The Director of Defence Information, Maj. Gen Chris Olukolade, has said some terrorists were killed by troops during a cordon and search operation along Djimillo-Damaturu.
Olukolade said the troops had a fierce encounter with the terrorists when their hideout was discovered by soldiers near a market.
He said the soldiers killed an unspecified number of the insurgents and recovered some machines guns and rifles from them.
He added that some of the terrorists were believed to have been killed in an inferno that gutted the house which they used as their base.
Olukolade said a soldiers was killed in the exchange of gun fire with the terrorists while another, who was injured in the gun battle, was undergoing treatment.
The Defence spokesman explained that the troops also had an encounter with some terrorists, who were in the process of blowing up a bridge to halt the military operation in Gulak, the headquarters of the Madagali Local Government area of Adamawa State.
He said the troops, who killed the insurgents, also recovered some arms and ammunition.
He added that flags, hoisted by the terrorists, were being dismantled by the troops in the operational area.