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Jeremy Corbyn will force Theresa May to hold an election in the spring unless she caves in to his Brexit demands on trade and worker rights.

In an exclusive Sunday Mirror interview, the Labour leader said he will only let the PM trigger EU negotiations in a Commons vote if she agrees to Labour’s “Brexit bottom line”.

He said: “Sorry, but we live in a democracy and the Government has to be responsive to Parliament. It’s not my timetable so it’s up to her to respond.”

Mr Corbyn’s bottom lines are:

UK access to 500 million customers in Europe’s single market.

No watering down of EU workplace rights.

Guarantees on safeguarding consumers and the environment.

Pledges on Britain picking up the tab for any EU capital investment lost by Brexit

The PM wanted to trigger Article 50, which formally begins the process of Britain leaving the EU, without Parliamentary approval.

But on Thursday, three High Court judges ruled that was unlawful and Mrs May must allow MPs and peers to vote.

That could scupper her timetable and throw Brexit into chaos.

The Supreme Court will now hear a Government appeal next month.

(Image: John Alevroyiannis / Sunday Mirror)

If it upholds the High Court ruling, “Remain” MPs will try to add conditions on leaving the EU before negotiations start.

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Mr Corbyn said he was not against the PM triggering Article 50 but would vote against Mrs May unless she adopted the “Brexit bottom lines”.

He added: “These must be the basis of the negotiations. And it doesn’t necessarily cause a delay.

“The court has thrown a big spanner in the works by saying Parliament must be consulted. We accept the result of the referendum.

“We are not challenging the referendum. We are not calling for a second referendum. We’re calling for market access for British industry to Europe.”

(Image: Getty Images)

But if Mr Corbyn, other parties and Tory Remainers gang up on her, the PM would be left with little choice but to call a General Election in order to get her own way.

The Tories have an overall majority of just 12.

But Mrs May’s own rebel MPs could be joined in a united force against her by Labour’s 231 members, the 54 Scot Nats and eight Liberal Democrats.

Mr Corbyn is looking forward to the prospect of the country going to the polls.

He said: “If the Government calls an election we’re ready for it.

“We have the members, the organisation and the enthusiasm. We welcome the challenge.

“It would give us the chance to put before the British people an alternative economic strategy for this country.”

Mr Corbyn revealed his manifesto will include a minimum wage of £10 by 2020 – making the average family £440 better off than under Tory plans.

He said that would save money by cutting the bill for housing benefits and working tax credits which top up wages.

Mr Corbyn was furious with the way the High Court judges were branded “enemies of the people” over their Brexit ruling.

He said: “The language used was disgraceful, sinister and very, very dangerous.”

The judges came in for heavy criticism from “Leavers” and hardline sections of the Press which backed Brexit .

Addressing the controversy today, Justice Secretary Liz Truss said: “The independence of the judiciary is the foundation upon which our rule of law is built and our judiciary is respected the world over for its independence and impartiality.”

Mr Corbyn said Mrs May could still meet her Brexit deadline if she accepted Labour’s demands.

He added: “She has set a timetable that can easily be achieved.

(Image: John Alevroyiannis / Sunday Mirror)

“She just has to set out the negotiating basis which she refuses to do.

“I would have set out very quickly the relationship with Europe.

“It would have stemmed the run on the Pound if we had made clear we wanted to maintain market access to Europe.”

A Labour source said: "Labour believes that the Government must bring its negotiating terms to Parliament and it must be held accountable for them.

"We will not oppose invoking Article 50 because we respect and accept the result of the referendum."

Mr Corbyn was supportive of the Sunday Mirror’s campaign to save the Syrian children of Aleppo

He said: “It’s completely wrong and unnecessary. There has to be a cessation of the bombing by the Russians and anyone else.

"The people of Aleppo have suffered like no one else for so long. There has to be a political solution.”

Asked directly if he would condemn Russian president Vladimir Putin if he resumes bombing Mr Corbyn said: “Yes.”

And he added: “I condemn the bombing”.