Sri Lanka police fired tear gas Wednesday at protesters demanding the release of defeated presidential candidate Sarath Fonseka. The factionalized opposition faces dim prospects in just-announced April elections.
President declares formal end to 26-year civil war and calls for unity.
French and British envoys Wednesday urged a halt to fighting as concerns deepen about 50,000 trapped civilians.
Tens of thousands of civilians fled Monday as the government breached rebels' defensive wall.
The UN evacuated about 300 people Thursday but human rights groups say a humanitarian crisis is looming.
Following Colombo's withdrawal from a 2002 truce with Tamil rebels, nation-building chief DM Dassanayake was fatally wounded in a roadside bombing.