Britain is mired in its deepest political crisis in decades over how, when and whether it should leave the EU - a decision that will fall to May's successor
Each has their own vision of how to fix Brexit, and their views are so divergent that whoever wins will struggle to unite the party around their approach
Nearby, left-wing activists inflated an orange blimp of a baby Trump dressed in a diaper at a rally outside parliament that brought morning rush hour traffic to a halt
He urged Britain's government to follow his rule book in negotiating deals when it came to Brexit
Sterling fell for a third month against the dollar in May and touched its weakest level since January versus the euro on May 31 amid persistent market anxiety about Britain's political upheaval
Labour has come under fire for sitting on the fence over Brexit and it remains unclear whether the party would back Leave or Remain in the next general election.
He was speaking after EU leaders met in Brussels to discuss the European Parliament election results, where nationalist and eurosceptic parties made gains but not as many as some feared.
I knew that delivering Brexit was not going to be simple or straightforward. The result in 2016 was decisive, but it was close
The opposition Labour Party said it wanted an election as soon as possible
She stepped down after failing to win over her ministers with a revised strategy over her plans for the UK's withdrawal from the European Union
It was expected that May will stay on in Downing Street as caretaker Prime Minister to oversee the state visit of US President Donald Trump, planned for early June
Corbyn said he would be willing to consider a new offer, including for example new legislation that entrenched workers' rights in law.
Labour leader Jeremy Corbyn wrote to May on Friday informing her that the Brexit talks, which began on April 3, had "gone as far as they can" due to the instability of her government.
Many voters expressed frustration at May's failure to have taken Britain out of the European Union, almost three years after the country decided to leave in a referendum
The drawn-out saga of Britain's departure from the bloc was thrown into disarray by the UK Parliament's repeated rejection of the divorce deal negotiated by Prime Minister Theresa May
Britain is forced to contest the EU elections on May 23 as a result of the repeated defeat of the British PM's Brexit withdrawal agreement in the UK Parliament
The pound sterling has depreciated against more than 120 currencies since the referendum. The prospect of leaving the European Union has adversely affected sentiment for the British currency
Fitch and S&P both have a AA rating on British government debt
The government and the main opposition Labour Party are also set to resume talks later Tuesday in an attempt to find agreement over Brexit
The pound has been one of the worst performing Group-of-10 currencies against the dollar and euro in the past month