While Keir Starmer expressed his fury at Nigel Farage’s intervention, political editor David Maddox warns that the Reform UK leader is engaging in the most naked of political opportunism Sign up to our free Brexit newsletter for our analysis of the continuing impact of Brexit on the UK Sign up to our free newsletter for the latest analysis on Brexit's impact Sign up to our free newsletter for the latest analysis on Brexit's impact Email * SIGN UP I would like to be emailed about offers, events