Most pro-Brexit voters will forgive Boris Johnson if he breaks his promise to leave the EU this month. This is clear from a survey that will trigger shockwaves through Labor.

The share of Leave supporters who would give up the Prime Minister in the event of Britain's defeat in the EU has more than halved in just one month.

The conservatives would have been well on the way to losing 9 percent of the votes they could have received in a poll. Now they would lose only four points and remain the largest party in the lower house.

The poll for the Represent Us group will add to Labor Jitters that Jeremy Corbyn's support for an election, once a Brexit has been blocked without a deal, threatens the party with a devastating defeat.

As The Independent Uncovered, the party's deputies bombard the whipping bureau demanding that their leader first support a referendum on Final Say.

The survey, conducted by ICM Unlimitedsuggests that Mr. Johnson win his fight to convince voters that he should not be held responsible for delaying Brexit after 31 October.

In recent weeks, the Prime Minister has intensified attacks on MPs who passed the Brexit Crash Law he described as a "surrender law", and charged the Supreme Court judges who declared his closure of the House illegal.

Last week's survey of 2,013 people showed that the Tories would still beat Labor by 31 to 28 percent, even if the exit had been delayed – and Mr. Johnson broke his promise.

This is because, according to the poll, only 4 percent – not the 9 percent that stated last month – would move the angry conservative voter to the Brexit party of Nigel Farage.

Mike Buckley, director of the Labor for a Public Vote organization, said the survey should be a wake-up call for those who want "an end to Brexit and the election of a Labor government."

"The history of these polls is clear – the best way to achieve both goals is for Labor to first support a referendum that needs to work for Remain, and then support parliamentary elections," he said.

Richard Tunnicliffe of Represent Us, who is fighting a tough Brexit, said, "These polls show that Johnson's strategy is working and that Leaver voters are working to forgive him if he asks for an extension.

"This makes a general election dangerous for Labor, and perhaps it is time for the leadership to listen to the growing demands in their ranks for Brexit to be settled first by a referendum."

These supporters include Tom Watson, Deputy Chairman, Emily Thornberry, the Shadow Secretary of State, and – private – Shadow Chancellor John McDonnell and Keir Starmer, spokesman for Brexit.

Despite the apparent breakthrough in talks between Irish Prime Minister Johnson and Leo Varadkar on Friday, an extension of the Article 50 procedure is inevitable.

Even if an agreement is reached, it is too late for Parliament to fully approve it until Halloween – and if the talks fail or the settlement in Westminster fails, the Prime Minister will likely resume his demands for election.

However, a referendum would almost certainly require Mr. Johnson to be overthrown in a vote of no confidence and replaced by an emergency government to pass the necessary legislation.