A “small cabal” in Downing Street holds Brexiteers in “contempt”, a senior Eurosceptic has warned amid a mass Eurosceptic rebellion over the Prime Minister’s Chequers compromise.

Writing for the Telegraph, Maria Caulfield, who quit as a Conservative vice-chairman earlier this week, says that the Prime Minister’s Brexit plan is “catastrophically bad” and will be a “disaster for the Conservative Party”.

The Prime Minister will on Thursday face a huge backlash from Eurosceptics when she publishes her Brexit White Paper, setting out in detail her plan after it was hammered out at Chequers, her rural retreat.

There were signs that the fragile Cabinet truce in the wake of the summit was breaking on…