A suspicious package found outside a bank was not a bomb , authorities say . Terrorism experts say they have seen an increase in Greek acts of terror since the 2008 shooting death of a Greek teenager by police in Athens . A parcel found earlier at a courier office was a bomb , police say . Score: 6 Greek authorities believe the letter bombs are the work of a local group .
A suspicious package found outside a bank was not a bomb , authorities say . A parcel found earlier at a courier office was a bomb , police say . Score: 6 Greek authorities believe the letter bombs are the work of a local group .