Heavy fighting has broken out between two Tamil Tiger rebel factions in north-eastern Sri Lanka. Members of the main Tiger movement exchanged fire across the Verugal river with fighters controlled by a breakaway commander, Colonel Karuna. At least nine fighters are thought to have been killed and another nine people injured. The International Committee of the Red Cross said thousands of civilians were fleeing from the area. The battle comes days after a new government took office and is the first between the rival rebel factions. Full Story