Dr Dan Poulter, the MP for Central Suffolk and North Ipswich, announced his decision to cross the floor after accusing the Tories of becoming a “nationalist party of the Right” The former health minister is not seeking re-election but has said he envisages a role advising Labour on mental health while focusing more on his job as an NHS doctor. The decision had been prompted by the “life-changing experience” of working as a part-time mental health doctor during junior doctors