Headquarters Of Gwoza

Nigerian forces backed by warplanes invaded Islamist group Boko Haram's last known stronghold, the Sambisa forest, on Wednesday, in an effort to finally defeat their six-year-old insurgency, two military sources said.

Nigeria's military on Friday announced that troops had retaken the town of Gwoza from Boko Haram, from which the group declared their caliphate last year.

The Nigerian army said it destroyed the headquarters of Boko Haram after capturing the northeastern town of Gwoza from the Islamist insurgent group.

Boko Haram militants have been amassing in the northeast Nigeria town of Gwoza, believed to be the group's headquarters, killing residents who were unable to flee, a senator and witnesses said on Thursday.

Nigerian forces backed by warplanes invaded Islamist group Boko Haram's last known stronghold, the Sambisa forest, on Wednesday, in an effort to finally defeat their six-year-old insurgency, two military sources said.

Nigeria's military on Friday announced that troops had retaken the town of Gwoza from Boko Haram, from which the group declared their caliphate last year.

The Nigerian army said it destroyed the headquarters of Boko Haram after capturing the northeastern town of Gwoza from the Islamist insurgent group.

Boko Haram militants have been amassing in the northeast Nigeria town of Gwoza, believed to be the group's headquarters, killing residents who were unable to flee, a senator and witnesses said on Thursday.