1.   President Premadasa was assassinated by a suspected Tamil Tiger guerrilla suicide bomber at a May Day rally four years ago in the Sri Lankan capital.

2.   Guerrilla suicide bombers have assassinated politicians and government officials and blown up key military targets.

3.   Tamil Tiger rebels on Tuesday accused the military of murdering one Tamil civilian and torturing seven others in northern Sri Lanka, suspecting them to be guerrilla suicide bombers.

4.   A Tamil Tiger guerrillas suicide bomber set off a powerful explosion in eastern Sri Lanka Monday, wounding seven people, including a police constable, officials said.