Nigeria’s army announced it has recaptured the town of Gwoza, thought to be the headquarters of Boko Haram.
The group have suffered a serious of setbacks in recent months and have lost a large amount of the territory it held since Nigeria's neighbours, Cameroon, Chad and Niger sent troops to help it earlier this year.
"These successful operations have culminated in the dislodgment of terrorists from towns and communities in Adamawa, Yobe and Borno states," military spokesperson Chris Olukolade said.
A lot of arms and ammunition were recovered and "a massive cordon and search has commenced to locate any of the fleeing terrorists or hostages in their custody", he added.