Terrorist Attack in Woro Leaves 170 Dead, Survivors Still Missing
Soldiers search bushland for survivors.
Attack linked to frustrated terrorist cells.
Surge in banditry and insurgency in Nigeria.
Witness in Woro reports sorting bodies and searching areas.
Police and military mobilized for rescue.
U.S. sent a military team.
Several people remain missing.
Nigeria faces complex security crisis.
Extremists killed at least 36 last week.
Insurgents active in northeast.
2 weeks ago