MPs.

No 10 said the amendments to the Customs Bill, including one that would preclude the UK from collecting tariffs on goods bound for EU countries, were "consistent" with the blueprint agreed by the cabinet.

Asked during a Commons statement on last week's Nato summit whether she was "rolling over", Mrs May said she would continue to "listen to the concerns" of colleagues regarding Brexit-related legislation.

Ms Greening, who resigned after the cabinet reshuffle in January, said the referendum should offer a first and second preference vote so that a consensus can be reached.

Speaking on BBC Radio 4's Today programme, Ms Greening said the government's proposals were a "genuine clever attempt at a compromise that could work" but "suits no-one".

The MP for Putney said: "The reality is Parliament is now stalemated.endangering its stability and its wellbeing," he said.

Former UKIP leader Nigel Farage said another referendum was "heading much closer" but could be avoided if the Tories changed leader, adding there was "uproar out there" about the prime minister's proposals.

Suella Braverman, who used to lead a Eurosceptic group of Tory MPs and is now a minister in the Brexit department, said there were "obviously strong views" within her party and described the Chequers plan as a "starting point" for negotiations with the EU.

But the disagreements in the party have also led to another resignation from the government.

Scott Mann has quit his job as a parliamentary private secretary at the Treasury, saying Mrs May's plan was "in direct conflict" with the views of his Leave-voting constituents in north Cornwall and