Lt. Col. Philippines Army released all hostages freed from rebel group in Zamboanga . Army killed 15 rebels , freed six hostages in overnight fighting , it says . The military says it 's searching the region for any remaining rebels .
Philippines Army released all hostages freed from rebel group in Zamboanga . Army killed 15 rebels , freed six hostages in overnight fighting , it says . The military says it 's searching the region for any remaining rebels .