By DPA,
Athens : Unknown attackers fired multiple shots at a police watch post in Athens early Monday morning, leaving one police officer wounded with life threatening injuries, local radio reported.
The incident occurred outside a culture ministry building in central Athens. Witnesses reported hearing a burst of gunfire followed by screams.
Police have cordoned off the area and taken several suspects into custody.
Since the deadly shooting of a 15-year-old by police Dec 6, Greece has been beset by violent protests.
On Dec 23, unknown attackers opened fire on a police bus. No one was injured in that attack.