The scuffles , in which four people were stabbed , also involved fans from other clubs and were viewed by the media as part of a retaliation for the killing of two Leeds United fans by Galatasaray supporters the month before .
The fights , in which four people were stabbed , also included fans from other clubs and were viewed by the media as part of revenge attacks for the killing of two Leeds United fans by Galatasaray fans the month before .