Boris Johnson has ramped up Brexiteer pressure on Rishi Sunak to defy the EU in Brexit negotiations and push on with a unilateral bill to rip up the Northern Ireland Protocol.
The prime minister is under pressure from Tory moderates to sign a compromise deal with Brussels, but No 10 is believed to have put the brakes on an agreement in a bid to win over the DUP and hardliners in the European Research Group.
