By Adam Shergold PUBLISHED: 05:22 EST, 24 February 2014 | UPDATED: 10:51 EST, 24 February 2014 Galatasaray and Besiktas fans clashed ahead of Saturday's derby match, with chairs and punches being thrown in running battles in Turkey. The violence came just days before Chelsea are set to play Galatasaray in the last 16 of the Champions League, with travelling fans advised by their club to exercise caution while in Istanbul. A video posted on YouTube sees mobs of Galatasaray and Besiktas hooligans fighting in a busy shopping street just before the match at the Turk Telekom Arena.
@highlight
Supporters clashed ahead of Saturday's derby
@highlight
Video posted on YouTube showed Galatasaray and Besiktas fighting
@highlight
Chelsea set to play Galatasaray in Turkey on Wednesday
@highlight
Turkish club have history with English supporters
There is a history of violence involving @placeholder and English fans in the city.