THERESA May announced she will step down as Prime Minister on June 7 after pressure had been mounting for her to leave for some time.
How will her departure affect Brexit? Here’s what you need to know.
Why did Theresa May resign?
The PM resigned because she failed to deliver Brexit.
But ultimately it was because she had lost the support of her own MPs, who would not back any of her deals.
On May 24 2019, standing outside 10 Downing Street, the PM claimed she had done all she could to take Britain out of the EU with a deal.
She said: “Ever since I first stepped through the door behind me as Prime Minister, I have striven to make the United Kingdom a country that works not just for a privileged few, but for everyone. And to honour the result of the EU referendum.
“If you give people a choice you have a duty to implement what they decide. I have done my best to do that.
“Sadly I have not been able to do so. I tried three times – I believe it was right to persevere even when the odds against success seemed high.”
Her voice cracking, she attempted to defend her legacy and insisted she has helped to fix Britain’s “burning injustices”.
Mrs May concluded: “I will shortly leave the job it has been the honour of my life to hold – the second female Prime Minister, but certainly not the last.
“I do so with no ill will but with enormous and enduring gratitude to have had the opportunity to serve the country I love.”
May today teared up during her resignation announcement[/caption]
How will it affect the Brexit deal?
The new Tory leader looks set to take over as prime minister at the end of July after Mrs May finally laid out a timetable for her exit from Downing Street.
Senior Tory figures are already throwing their hat in the ring as future party leaders.
Many insist they will not aim for a no-deal Brexit, but it does seem more likely than ever.
Writing in the Daily Telegraph, Boris Johnson who is currently the bookies favourite to replace May, said: “No one sensible would aim exclusively for a no-deal outcome.
“No one responsible would take no-deal off the table.”
Mr Johnson insisted after May’s departure that the UK would quit the bloc on October 31 “deal or no deal”.
The Foreign Secretary already said he would “of course” put himself up for the position.
International Development Secretary Rory Stewart and ex-Work and Pensions Secretary Esther McVey have already said they will put themselves up to the vote.
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How will the Tories choose a new leader?
Her resignation fires the starting gun on the Tory leadership race, with Boris Johnson at the head of a crowded field of contenders.
But the next PM could face the same Brexit deadlock as Mrs May – with Parliament and the Tory party bitterly divided over how to move forward.
If there is to be a leadership contest it will last up to six weeks held under the rules set out by the 1922 Committee of backbench Tory MPs.
Candidates will need to be nominated by two fellow Tory MPs and the field is whittled to just two by a series of votes in the parliamentary party in which the lowest ranked candidate is eliminated.
After that the two candidates will be expected to take part in debate.
Candidates can withdraw at any time leaving the way for the one remaining to be crowned leader.
That happened in 2016 when Andrea Leadsom pulled out and sent Theresa May into Downing Street.