Source (greek only): http://www.e-tipos.com/newsitem?id=16559
According to the police some 15 unidentified persons with their faces covered urled stones and other objects against the City Hall of Triandria district in Thessaloniki causing damages to the facade and a near by vehicle belonging to the municipal police. Some of them threw communiques demanding freedom for the anarchists Tsourapas and Kontorevithakis. Then, they left the area on motorcycles. The police made one prosecution and investigates the action's scene.
Note: Marios Tsourapas and Chrissostomos Kontorevithakis are two anarchists emprisoned under detention for allegedly trying to blow up a municipal police patrol car, on June 5th, at P. Faliro, Athens. For more info try: www.geocities.com/anarcores/faliro3