A Fenerbahce supporter has died after being stabbed by a group of Galatasaray fans following Sunday's Istanbul derby.
According to reports, 19-year-old Burak Yildirim was making his way home after Fenerbahce's 2-1 victory when he was attacked by a group of people allegedly wearing Galatasaray colours.
Fox Sports are reporting the assailants stabbed Yildirim in the chest before fleeing the scene.
The victim was rushed to the Bezmialem Vakif University Hospital but died despite the best efforts of medical staff.
Police have opened an investigation into the incident but as of yet have not identified the victim's attackers.
Fenerbahce offered its condolences to Yildirim's family through a statement on its official website.