Full coverage
Tory MP Dan Poulter's defection to Labour piles pressure on PM
By Sophie Wingate
All coverage
Dan Poulter defection: Stop the boats? Rishi Sunak needs to stop the rot in the Conservative party
By Jon Craig
Tory MP defects to Labour over NHS 'chaos'
By Amelia Jenne
Apr 29: Starmer welcomes Tory defector; Tories plot to oust Sunak; Car insurance jumps in Q1 – Car Dealer Magazine
By James Batchelor
Tory Dan Poulter defects to Labour
By George Parker
Labour promises mental health 'overhaul' after NHS psychiatrist defected to party from Tories
By Chay Quinn
i morning briefing: What impact will the defection of a Tory MP to Labour have?
By Jacqueline Housden
'It's A Sign Of Real Rot': Laura Kuenssberg Roasts Minister After Tory MP Defects To Labour
By Kevin Schofield
The last days of Frome
By Ben Wildsmith
Chris Philp defends government NHS record after Dan Poulter defects to Labour
By Laura Kuenssberg and Becky Morton
I am resigning from the Tory party and crossing the floor. Only Labour wants to restore our NHS
By Dan Poulter
Defector MP Dan Poulter says Tories not listening over NHS
By Andrew Sinclair
Dan Poulter MP: Suffolk voters react to his defection
By Emma Baugh and Louise Parry
The Observer view on Dan Poulter and the failing Conservative government
By Observer Editorial