The endorsement ‘tells you everything’ about Reform’s approach to by-election, says PM Sign up for the View from Westminster email for expert analysis straight to your inbox Get our free View from Westminster email Get our free View from Westminster email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Sir Keir Starmer has criticised the "politics of poisonous division" of Reform UK, after the party’s candidate in an