The Chief of Defence Staff, CDS, General Gabriel Olonisakin, in Lagos yesterday , raised the hope of Nigerians, particularly parents of the female students that were abducted from the Government Secondary School, in Chibok , Borno State, by the boko haram group two years ago, of their possible rescue, saying the troops were combing the Sambisa forest where most of the girls were suspected to be.This came as Nigerian Army said its troops recorded a breakthrough when 77 members of the Boko Haram sect surrendered to soldiers of the 122 Task Force Battalion, even as 245 civilian hostages particularly women and children abducted by the terrorists while scores of the terrorists were killed.