The Real Football Factories how F-Troop was willing to charge an entire terrace of opposition fans with as few as 10 or 20 boys. During one incident in 2002, 900 Millwall supporters went on a rampage after losing to Birmingham City. Over 100 police officers were injured. In another incident following an FA Cup match at Luton, over 700 seats were torn from the stands and thrown onto the pitch. Tommy Robinson of Luton's Mig Crew comments on taking on not only members of Millwall, but the firms of other London clubs as well including Arsenals Gooners. The episode also covers Millwall's long-time rivals,
Supporters' groups "barras" and "porras" are used. In Europe, there are primarily three types of groups: official supporter groups, ultras, and hooligan firms. Official supporter groups primary function is to liaise with the club board and protects supporter interest as well as have a say in the running of the clubs, and they usually represent all types of supporters of all ages ranging from fanatical supporters, to disabled supporters, to supporters who rarely frequent games, however they are still an independent body. The oldest of which is Torcida founded in 1950 as supporters of Hajduk Split from Croatia. Ultras groups are independent