Theresa May will chair her new-look cabinet this morning after a string of resignations over her Brexit strategy left her government in crisis.
Mrs May was forced to carry out a reshuffle of her top team after Boris Johnson and David Davis both quit.
The prime minister has warned the Tory party it must unite or face the prospect of Jeremy Corbyn in power.
Jeremy Hunt, who has replaced Mr Johnson as foreign secretary, said he would be “four square” behind her.
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The UK is due to leave the European Union on 29 March 2019, but the two sides have yet to agree how trade will work between the UK and the EU after that.
The delay has been partly blamed on deep disagreements within the Conservative Party over what shape Brexit should take.
Last Friday at the prime minister’s country retreat at Chequers Mrs May brokered a “collective” agreement on proposals for the future relationship between the EU and UK.
However, Mr Johnson – whose departure on Monday followed that of Brexit Secretary David Davis and several junior figures – accused Mrs May of pursuing a “semi-Brexit”.
In his resignation letter, he said the Brexit “dream is dying, suffocated by needless self-doubt”.
Mrs May later faced down backbench critics at a meeting of the 1922 committee, amid rumours they were close to getting the 48 signatures needed to trigger a no-confidence vote that could spark a leadership election.
She told her critics the alternative to the party coming together could be a left wing Labour administration, with Jeremy Corbyn as prime minister.
The BBC’s political editor Laura Kuenssberg said there were potentially “dozens” of Tory rebel MPs opposed to Mrs May’s Chequers compromise. However, it was not clear how committed they are.
Monday’s resignations might have left the prime minister with a more pliable and supportive cabinet, our correspondent added, while her future could depend on how Brussels reacts to her Brexit proposals.
Jeremy Hunt, who has been health secretary for the past six years, was a Remain campaigner in the 2016 EU referendum. He has since said he is a convert to the Brexit cause.
His appointment means the four great offices of state – prime minister, chancellor, foreign secretary, and home secretary – are all held by ministers who voted to stay in the EU.
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In his first comments as foreign secretary, Mr Hunt said he would be standing “four square” behind the prime minister “so that we can get through an agreement with the European Union based on what was agreed by the cabinet last week at Chequers”.
Staunch Leave supporter Dominic Raab was promoted to the cabinet as Brexit secretary .
But most of the top jobs in government are now held by ministers who had backed Remain – including the new Health Secretary Matt Hancock.
Attorney General Jeremy Wright replaced Mr Hancock as the culture secretary, with backbencher Geoffrey Cox becoming the new attorney general.
Labour leader Jeremy Corbyn said Mr Johnson and Mr Davis had abandoned a “sinking ship”, shattering the “illusion of unity” initially surrounding the Chequers plan.
Meanwhile, the pound fell against the dollar and the euro following Mr Johnson’s resignation, with analysts warning it was likely to fall further if he launched a leadership challenge to Mrs May.
Who is Matt Hancock?
- West Suffolk MP since 2010 and former Bank of England economist
- Was a close ally and former chief of staff to then chancellor George Osborne
- Supported Remain in the EU referendum
- The 39-year-old father-of-three launched his own smartphone app after becoming culture secretary to better “connect” with his constituents
What about Jeremy Wright?
- Former criminal lawyer who was first elected to Parliament in 2005 and currently represents Kenilworth and Southam
- Attorney General for England and Wales Advocate General for Northern Ireland since July 2014
- The 45-year-old father-of-two lists his interests as travel, especially to the United States, music, James Bond films and playing golf badly
UK PM to meet new cabinet amid Brexit turmoil