Al-Qaeda's Syria affiliate captured at least five more US-trained opposition fighters in overnight raids on a village in northwestern Syria, a monitoring group said on Tuesday."Between Monday and Tuesday, Al-Nusra Front seized at least five fighters from Division 30 in the village of Qah, near the Turkish border," Syrian Observatory for Human Rights chief Rami Abdel Rahman said.The militants already captured at least eight rebels from the same US-backed unit last week, the Observatory reported.