GETTY Jean-Claude Juncker wants to see Labour win the election as he thinks they will undo Brexit

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Concerns have been raised about the political interference of the President of the European Commission since the start of the election after his office was accused of briefing against Theresa May. It is understood that senior figures in the Commission believe that Mr Corbyn would be a “prisoner” of Remainers if he wins the election. To be Prime Minister he would need the support of the SNP and Lib Dems both of whom are opposed to Leaving the EU and want last year’s historic result reversed.

According to sources in Brussels, there is also “widespread belief” in Brussels that senior figures in the Labour leadership including shadow Home Secretary Diane Abbott, shadow Brexit Secretary Sir Keir Starmer and shadow Foreign Secretary Emily Thornberry all want Britain to Remain in the EU. Tory MEP David Campbell Bannerman said: “There's no doubt that President Juncker would vote for Corbyn as he knows the negotiations would suit the EU's aims, billions would be lost, and that Brexit itself would be in danger.”

GETTY Jean's office was accused of briefing against Theresa May

There's no doubt that President Juncker would vote for Corbyn as he knows the negotiations would suit the EU's aims, billions would be lost, and that Brexit itself would be in danger. David Campbell Bannerman, Tory MEP

Over the weekend Brexit Secretary David Davis laid the issue on the line warning that Thursday’s election vote was “the last chance to save Brexit”. Foreign Secretary Boris Johnson also told the Daily Express that a Prime Minister Corbyn would have Lib Dem leader Tim Farron and SNP leader Nicola Sturgeon as two “Remainer parrots” on his shoulders “squawking in his ears”. The devious Mr Juncker appeared to set out from the start of the election campaign to undermine Mrs May.

GETTY David Davis warned voters that Thursday's election vote was the last chance to save Brexit

After a dinner with the Prime Minister, an attack briefing, which appeared to come from Juncker’s office was put out giving a distorted account of the discussions. Brussels sources told a German newspaper that the meeting had been a “disaster” and that Mr Juncker told Mrs May “I'm leaving Downing Street 10 times more sceptical than I was before.” Mr Juncker then sparked fresh anger when he used a press conference in Florence to insult Britain further - claiming he would speak in French because “English is losing importance in Europe”. The interventions accompanied by demands that Britain should pay an exit fee of £85 billion lead to Mrs May warning that senior figures in Brussels are “trying to interfere” with British democracy and want the Brexit talks to fail.

GETTY Theresa May said Britain's negotiating position in Europe had been misrepresented in the press

Election 2017 LIVE Wed, May 31, 2017 Britain heads to the polls on June 8 for a snap general election. LIVE images as the campaign unfolds across the UK. Play slideshow 1 of 26