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Business Secretary Greg Clark has backed the draft withdrawal agreement whilst giving a speech on energy policy.

He said the co-operation on energy was an "obvious example" of the value of being in a broad and deep market.

"That's something that should be prized and it's one of the reasons I hope the proposals that have been agreed will be endorsed by Parliament," he said.

Theresa May is under pressure over Brexit and some of her MPs have called for a change of leader.

But how could this happen?

Read our explainer here.

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In her resignation letter, the former Work and Pensions Secretary Esther McVey declared that the prime minister's draft withdrawal agreement fails to "regain control" from Brussels.

"Repeatedly you have said that we must regain control of our money, our borders and our laws and develop our own independent trade policy... This deal fails to do this," she wrote.

Ms McVey's claim directly contrasts with what Theresa May said outside Downing Street: "This deal... brings back control of our money, laws and borders, ends free movement, protects jobs, security and our Union."

So if the withdrawal agreement is finalised and there is a deal, will it deliver "control"?

Read our Reality Check piece here.

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Environment Secretary Michael Gove, who is understood to be in line for the job of Brexit secretary, has just left his home.

The prime minister is due to give a press conference in around 20 minutes.

The BBC understands that Mr Gove has been offered Dominic Raab's job, following his resignation earlier today.

But Mr Gove will only consider it if he can renegotiate the deal, it is understood.

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Northern Ireland Secretary Karen Bradley has urged her colleagues to "get behind the prime minister".

Mrs Bradley met with senior business figures in Belfast earlier to try to convince them of the merits of the deal.

Speaking to reporters afterwards, she said: "It's very clear from the conversations that I have just had that actually what businesses and people in Northern Ireland want is politicians to come together and do the right thing, think about the national interest and support the deal so we can leave the European Union on 29 March next year in a measured, organised, co-ordinated way that is right for the United Kingdom and the people of Northern Ireland."

Labour MP Ben Bradshaw believes a second referendum is looking ever more likely.

"I'd love there to be a general election.

"I think we need a Labour government and we need to focus, for once, on the issues facing the country rather than this Brexit mess, but there can't be a general election unless Conservative MPs vote for one, and they're not going to.

"So I think the most likely outcome will be that there's another referendum - that is another opportunity."

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Nigel Farage admits to BBC News that he has not read the full withdrawal agreement.

He says his lawyers have read it and of others claiming they have, "they are probably a liar".

Our Reality Check team have taken a look - see what they found here.

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Asked by BBC News whether the Leave campaign told lies, former UKIP leader Nigel Farage said there had been "50 years of lies" from the EU over it being a common market, then a political union and then having a European army.

"We are used to lies," he said.

"What we argued for in the referendum is the United Kingdom should become an independent country, and independent countries make their own laws, control their own borders and choose their own friends in the world, and nothing about that has changed."

He said Brexit "must not be seen to be tarnished by a prime minister who simply never believed in it".

"There is only one thing to do with this, the worst deal in history, and that is to put it in the bin."

A Sky News reporter suggests the number of letters calling for a confidence vote in Theresa May may have hit 48 - the requisite number for a vote to be called.

What does the 585-page Brexit withdrawal agreement mean for you?

BBC experts have answered some of the most common questions you have sent us.

Read the details here.

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Speaking at a news conference in Washington, the spokesman for the International Monetary Fund, Gerry Rice, said a "disorderly Brexit would be the biggest risk to the outlook of the UK".

He said businesses and workers needed time to plan for Brexit: "The situation is developing. It's fluid.

"Like everyone else we would like to see progress.

"We encourage both parties to continue their efforts to reach a timely agreement accompanied by an implementation period to avoid a cliff-edge and to allow firms and workers sufficient time to adjust to the new relationship."

The first ministers of Scotland and Wales have written a joint letter to the PM calling for the devolved administrations to be involved in the final brexit deal.

Nicola Sturgeon and Carwyn Jones criticise the lack of meaningful engagement with the devolved governments and describe the UK government's handling of the negotiations as chaotic.

They are demanding a ministerial meeting next week so Scotland and Wales have some input into the political declaration before it's finalised.