Britain is watching and waiting for its doomed prime minister to quit.
Facing a fierce backlash to her final Brexit gambit.
Lawmakers on both sides are calling for her immediate resignation.
So who could replace Theresa May as the next Conservative Party leader of the UK?
Three who've said they'll stand: The bookies favourite - Boris Johnson.
Former foreign minister and May's most outspoken critic over Brexit - he resigned from her cabinet in protest.
Known for his disheveled blond hair and eccentric turns of phrase, he was seen by many as the face of the 2016 Leave campaign.
The pro-Brexit former television presenter in charge of the controversial welfare reform 'Universal credit', she also resigned as work and pensions minister over May's exit deal.
And Rory Stewart.
A former diplomat, the old Etonian once walked 6,000 miles across Iran, Afghanistan, Pakistan, India and Nepal.
Promoted to International Development Secretary this month - he backed remain in the 2016 referendum, opposes a 'no deal' exit but says he is a Brexiteer.
The race for the top job is certainly likely to be crowded.
Among the big names still expected to throw their hats into the prime ministerial ring: Michael Gove.
He failed in a leadership bid against May in 2016.
The high-energy environment minister has become a surprise ally to May and backed her Brexit strategy.
Current foreign minister who voted to stay in the EU.
Probably best known for his run-in with the financially stretched National Health Service while he oversaw it.
Andrea Leadsom, a leave campaigner who quit on Wednesday over a fourth Brexit deal she 'doesn't believe in'.
Leadsom made it to the last two in the 2016 contest alongside May, but withdrew after a backlash to an interview where she said being a mother gave her more of a stake in the future of the country than her rival.
The former Brexit minister quit May's government last year after just five months in protest at her draft exit deal.
When asked if he would like the PM's job, the black belt in karate responded "Never say never." And Sajid Javid, former banker and champion of free markets.
A second-generation immigrant of Pakistani heritage, he has a portrait of Margaret Thatcher on his office wall.
If she resigns, Theresa May would become the fourth Conservative prime minister in a row to have fallen foul of divisions over Europe within her centuries-old party - After David Cameron, John Major and Margaret Thatcher.