.U.K. head of state punishes reactionary disorder triggered after disastrous stabbing: "This is not a demonstration" CBS NewsViolent Protests Grasp U.K. in Wake of Knife Attack at Dancing Class The Nyc TimesKeir Starmer condemns 'much best thuggery' as agitation flares across Britain News agency UK' Reactionary troublemakers' are going to be fast hauled into court, Keir Starmer pledges The Guardian.