LANAO DEL SUR --- Authorities arrested on Wednesday three members of the Maute terror group in Piagapo town in Lanao del Sur.Apao Dimacaling, Alex Braad and Kalal Berongan, all ethnic Maranaos, yielded rocket-propelled grenades, materials for improvised explosive devices and a grenade launcher when combined Army and police personnel raided their lair in Barangay Gacap, Piagapo.Chief Supt, Graciano Mijares of the Police Regional Office-Autonomous Region in Muslim Mindanao said Thursday the joint operation of the Lanao del Sur provincial police and the Army’s 103rdBrigade that led to their ar