A group of more than 100 militants ambushed the government forces, sparking a 10-hour firefight, according to Major Filemon Tan, a spokesman for the Western Mindanao Command of the Philippine Army. News reports indicated an entire platoon was wiped out, with at least four soldiers being beheaded by militants. Among those killed were Ubaida Hapilon, son of the regional commander Isnilon Hapilon, as well as Mohammad Khattab, a Moroccan bomb maker and extremist preacher.[3]