Chad joins fight against extremist group Boko Haram

Boko Haram has carried out a number of bombing attacks in Nigeria. Credit: Reuters/Stringer

Islamist terror group Boko Haram has carried out its largest kidnapping outside Nigeria taking up to 80 people including 50 children hostage from Cameroon.

Today troops from Chad went into Cameroon to join Nigeria's fight against the terrorists and one aid worker told ITV News, unless the world responds, northern Nigeria could become another failed state, like Somalia.

ITV News' Africa Correspondent John Ray reports.