(Recasts, changes death toll)
TEHRAN, June 20 A bombing at the shrine of Iran's revolutionary leader Ayatollah Ruhollah Khomeini killed the attacker and wounded three pilgrims on Saturday, state television channel Press TV said.
Quoting the official IRNA news agency, it said a "terrorist attack" had struck at Khomeini's mausoleum, on the south-west edge of the capital. Two other Iranian news agencies described the attack as a suicide bombing.
Press TV earlier said two people had been killed and eight injured in the bombing, which was likely to inflame anger among Iranians who revere the founder of the Islamic Republic.
Elsewhere in Tehran, Iranian riot police used teargas to disperse demonstrators protesting against a disputed presidential election, a witness told Reuters.
Press TV said police also used water canon against demonstrators at Tehran's Enghelab square. (Tehran newsroom, +98 21 8820 8770))