Theresa May faces a devastating Commons defeat over Brexit within weeks if she continues to deny parliament a meaningful vote on the final deal with the EU, Tory and Labour MPs have warned.
With the withdrawal bill returning to the Commons on Tuesday, a cross-party group who oppose a hard Brexit and are co-operating on tactics say they believe they have the numbers to defeat the government if they are denied such a vote.
While the critical amendments and closest votes are not expected to be taken until next month, Tories who oppose a hard Brexit insist there is no softening of their position and that they are biding their time ready to strike before Christmas.
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Some Tories say they are even more determined to insist on parliament’s right to veto a bad or no deal because the prime minister appears not to have responded to any of their concerns over recent weeks.
Instead, in what was seen by many as a provocative move, she announced last week that the government had tabled its own amendment that would commit the UK to formally leaving on 29 March 2019, whatever the outcome of negotiations and even if there were no deal.