It’s a riot
Michael Ignatieff, 20 August 1981
“... which triggers riot. Historical analogy with the 18th-century food riots, examined by E.P. Thompson, suggests that explanation should look beyond conditions to the specific legitimising notion or incident which gives reason to riot. In Toxteth, for example, it was not just any arrest which started the trouble but the arrest of the son of a Jamaican ... ”