The Nigerian Army said its troops came under Boko Haram mortar fire early today, but the attackers were successfully repelled, with two of them killed.
The attack happened 1.45 a.m today, with five of Nigerian soldiers injured.
Army spokesman, Col. Sani Usman, in a statement in Abuja, said the troops from the 21 Brigade and the Armed Forces Special Forces (AFSF) on Operation Crack Down, were on harbour for refitting, when the attack came.
He said the troops followed up the attack with mopping up operations of the general area before advancing further into the forest.
Usman said two corpses of the attackers, two AK-47 rifles, two Rocket Propelled Grenade (RPG) bombs, five rifle magazines, mortar bombs and belts of Machine Gun rounds were recovered.
He added that the five soldiers wounded were evacuated to the rear for treatment.