The reason for this stems back to the Public Order Act of 1986, which states that a riot is an activity during which 12 or more persons must be present together and use and threaten unlawful violence for a common purpose.

FORBES: Who Pays for the English Riots Again

During the transitional period, representatives of Egypt, Israel, Jordan, and the self-governing authority will constitute a continuing committee to decide by agreement on the modalities of admission of persons displaced from the West Bank and Gaza in 1967, together with necessary measures to prevent disruption and disorder.

BBC: The Camp David Accords of 1979