More than half her Commons party signed a letter telling May to pursue no-deal rather than a soft Brexit

Theresa May will be warned today that her government faces total collapse unless she passes her Brexit deal — as the prime minister’s aides were at loggerheads over whether to accept a soft Brexit or call a general election this week.

In an emergency conference call last night Brexiteer cabinet ministers agreed they would resign if May accepted a customs union or got Tory MPs to vote for the UK to take part in European elections in May. They will deliver their threat when the prime minister consults her cabinet today.

More than half her Commons party, 170 MPs and ministers, have signed a letter telling May to pursue a no-deal departure from the EU rather than accept a soft Brexit. It also demands