Question: Which riots came after a confrontation between the Metropolitan Police and protesters in Lambeth, South London, England?
Sentence (from "1981 Brixton riot"): The main riot on 11 April, dubbed "Bloody Saturday" by "Time" magazine, resulted in almost 280 injuries to police and 45 injuries to members of the public; over a hundred vehicles were burned, including 56 police vehicles; and almost 150 buildings were damaged, with thirty burned.
Relevant evidence: No