.U.K. prime minister condemns reactionary rioting stimulated after disastrous wounding: "This is certainly not a demonstration" CBS NewsViolent Protests Grasp U.K. in Wake of Knife Attack at Dance Course The New York TimesKeir Starmer puts down 'far right thuggery' as agitation flares around Britain Reuters UK' Reactionary troublemakers' will definitely be swiftly brought to trial, Keir Starmer swears The Guardian.