Sports riots occur worldwide.
[1][2] Most riots are known to occur after the event is done, but some have been during the game (see football hooliganism).
While association football is one of the more well-known triggers for riots, other sports which have triggered riots include ice hockey[3] and motorcycle racing.
[1] There are a number of factors believed to influence whether riots occur, including cultural factors; environmental factors such as temperature, darkness, and noise; and witnessing player violence.
[1] The following are various examples of a sports riot: