Greek police carried out a controlled explosion of a package sent to the Bulgarian embassy on Tuesday and a small device exploded outside the Swiss embassy,a day after the discovery of a parcel-bombing campaign in Athens.
A police source said a passerby threw a device at the Swiss embassy,causing a small explosion. Nobody was hurt.
A bomb disposal unit detonated a suspect package that had been mailed to the Bulgarian embassy elsewhere in the capital.
On Monday,several booby-trapped packages addressed to other embassies and French President Nicolas Sarkozy were defused and police arrested two men suspected of links to a far-left group.