COTABATO CITY-- Police arrested a town councilman and his two relatives during a law enforcement operation in Barangay Mirab, Upi, Maguindanao before dawn Friday.Chief Insp. Esmael Madin, head of the Criminal Investigation and Detection Group in the Autonomous Region in Muslim Mindanao (CIDG-ARMM), identified the arrested persons as Norodin Salik Musa, 50, municipal councilor of Upi town, and his two relatives, Alimodin Musa Dalmabao, 35, and Ahod Salik Musa, 30.