True his/story:
In some versions, one of the clowns and one of the firemen came to blows over the services of a particular young lady. In others, one of the firemen knocked the hat off one of the clowns; in still others, one of the clowns cut in line ahead of one of the firemen. Whatever set it off, the result was swift: a gigantic brawl broke out between clowns and firemen. By the time the cops arrived, the clowns had thoroughly beaten the snot out of the firemen, sending two of them to the hospital.
–Toronto Circus Riot
Awkward Turtle 