Greek anti-terrorist officers raided an Athens home and detained four people suspected of involvement in a small far-left group that police link with a morning bomb blast at the home of a prominent opposition politician.

A van bomb exploded outside the Athens Stock Exchange today, slightly injuring a passer-by and causing extensive damage to the building and nearby cars, Greek police said.

Two bombs exploded in Greece early today, one injuring a passer-by.

Street violence eased early today after masked youths and looters rampaged through Greek cities for four days in an explosion of rage triggered by the police shooting of a teenager.