VIDEO: Clashes between riot police and anarchists in Greek port city of Thessaloniki.

December 6 marks the 8th anniversary of the killing of a 15 year old Greek teenager, Alexis Grigoropoulos in central Athens district of Exarchia. Within hours violent protests swept the country and for weeks afterwards Greece saw clashes between demonstrators and riot police.

Every year the events is commemorated, often violently.

Video taken in Thessaloniki on 6 December 2016.

Treated like terrorists - Greek high school students mark the fifth anniversary of the police murder of 15 year old Alexis Grigoropoulos

Treated like terrorists - Greek high school students mark the fifith anniversary of the police murder of 15 year old Alexis Grigoropoulos, a photo by Teacher Dude's BBQ on Flickr.

A Night in Greece - Video

Four years after the murder of 15 year old Alexis Grigoropoulos by a police officer in Athens, people took to the streets across Greece to remember his death and the uprising that broke out in his name in December 2008.