Clashes at Themistokleous Street in Exarchia, between members of the Popular Unity and anti-riot police.
The members of the Popular Unity political party are protesting this Wednesday for the auction of working-class property, shouting slogans and holding banners.
Some of the demonstrators threw eggs at the police force, who violently repelled them, hunting them with the crows.
At least three people have been injured, of which one is a photojournalist.