.U.K. prime minister puts down reactionary rioting stimulated after catastrophic stabbing: "This is certainly not a protest" CBS NewsViolent Protests Hold U.K. in Wake of Blade Attack at Dancing Lesson The New York TimesKeir Starmer punishes 'much right thuggery' as unrest flares all over Britain News agency UK' Far-right hooligans' will definitely be actually swiftly brought to justice, Keir Starmer swears The Guardian.