9. Lockdown MMA riot
A little-known MMA promotion in Manchester, England sparked controversy in 2012 when fans, fighters, bouncers and just about anyone got to rioting and smashing the stadium to pieces.
The ring girls seemed to be having fun, as they watch around 30 blokes batter the booze out of eachother, but the riot did little more than to slow the progress of the sport in England.
There’s little more to say, as the videos do most of the talking: