Bomb blast damages entrance of the Hellenic Federation of Enterprisesof building in Syntagma

A powerful blast damaged the entrance to the Hellenic Federation of Enterprises (SEV) at 3:35 a.m. on Tuesday, near Syntagma Square in Athens.

Police had closed off the area after an unknown man had called To Vima and Efimerida ton Syntakton newspapers to warn about a bomb.

The area remains closed off and a bomb squad is at the site.