May will present a new version of her plan for an EU customs partnership to her inner circle this week

Two Tory MPs boasted last week that they were prepared to trigger a challenge to Theresa May’s leadership amid growing fury that the prime minister plans to railroad her party into backing a customs deal with Brussels.

Sources in the European Research Group of hardline Brexiteers say the MPs showed drafts of the “salty rhetoric” in letters calling for a vote of no confidence.

The Brexit war cabinet rejected May’s plans for a new customs partnership with Brussels last Wednesday, with Boris Johnson yelling, “It’s 6-5!” when the casting vote came in.

But May plans to present a “tweaked and rebadged” version of the plan to her war cabinet on Thursday, urging them to support it. If they refuse, she is prepared to appeal over