Six New People's Army (NPA) militants have surrendered to military authorities in the Philippine province of Bukidnon. They were identified as Ramil Tun-an, Yonifin Ped-Ak, Rene Tun-an, Angelo Ped-Ak, Reynaldo Ped-ak, and Toto Guilay.Philippine army commander Lieutenant Colonel Lynart Castisimo said the NPA militants surrendered to his troops on Thursday night. The surrender came following a series of negotiations.