Even if MPs approve Theresa May’s Brexit deal, they may refuse to back No 10 in other key votes

Brexiteers have issued a last-ditch threat to vote down the budget and destroy the government unless Theresa May takes a tougher line with Brussels — amid signs that she is on course to secure a deal with the European Union.

Leading members of the hardline European Research Group (ERG) last night vowed to vote down government legislation after it was claimed the prime minister will use Labour MPs to push her plan through the Commons.

The Sunday Times spoke to 18 cabinet ministers at the Conservative Party conference last week and every one of them said that May would get a deal and MPs would then end up approving it. But Bernard Jenkin, a veteran Eurosceptic, told a WhatsApp group of Tory MPs yesterday that