The joint executive secretary of the 1922 Committee said he would be calling for a vote of no confidence in the Prime Minister.
Conservative MP Nadine Dorries announced she would be backing Boris Johnson in a leadership contest.
Theresa May has urged the Labour leader to compromise and back her Brexit deal after the proposals received a hostile response from critics on her own side.
The Prime Minister has said that the Withdrawal Agreement Bill will include “a requirement to vote on whether to hold a second referendum”.
Conservative MP Andrew Bridgen has said that “no one can find the off-button for the Maybot” as Theresa May is yet to set a date for her departure.
The Brexit Party leader responds to having a milkshake thrown over him during a vist to Newcastle.
The Conservative MP slapped down Philip Hammond's claims that a no-deal Brexit would be "damaging".
The chancellor is to warn Tory leadership hopefuls against advocating for a "damaging" no-deal Brexit.
The health secretary refused to rule out running for leadership of the Conservatives in the future.
The Conservative peer said his party would be "entitled" to kick him out after he pledged his support to the Liberal Democrats.
Andrew Bridgen has insisted the Prime Minister's Withdrawal Agreement Bill will fail to win the support of MPs.
Theresa May is set to begin discussions with senior ministers on her proposed new "bold offer" to MPs in a final attempt to get her Brexit deal through Parliament.
Theresa May has been described as an “isolated beleaguered Prime Minister” by Brexiteer MP Andrew Bridgen.
The Conservative MP said he would be voting "for a Brexiteer" to take over the party.
The Conservative MP revealed he would be willing to stand as an independent MP in the next general election.
Cross-party Brexit talks are set to close with no agreement reached, it has been reported.
Theresa May has agreed to set a timetable for the election of her successor as Tory leader, the chairman of the 1922 Committee has said.
Supervision of all offenders in England and Wales is being brought back under public control, the justice secretary has announced.
Theresa May is facing a showdown meeting with senior Tories, who are demanding she sets a firm resignation date.
An MP has accused Theresa May of making the United Kingdom “an international laughing stock” with her attempts to negotiate a Brexit deal.
The Change UK leader said she would not allow Tony Blair to join her party, claiming he was too "tarnished".
The Tory MP said there was no "logic" in getting MPs to vote on the Withdrawal Agreement Bill for a fourth time.
A fourth 'meaningful vote' will take place on the Withdrawal Agreement Bill in early June, Downing Street has announced.
The former agriculture minister has called for new laws prohibiting the killing or taking of hares during the breeding season.
The Tory MP has called for a "proper independent review" into how TV companies look after reality show guests.
Iain Duncan Smith said he did not have a "huge amount of confidence" in the government's Brexit negotiators.
Lord Dobbs said the former Prime Minister would have "sliced through President Juncker with a smile".
A cross-party Brexit deal will need to include a second referendum in order to receive the backing of Labour MPs, Sir Keir Starmer has said.
The co-chair of Labour Leave said the country had been left "very angry" by the handling of Brexit.
A Conservative MP has told Theresa May that he will not support her government until the “offensive” persecution of ex-servicemen and women ends.
The Conservative MP revealed to talkRADIO that she had the "support" she needed for a leadership bid.
Theresa May has rebuffed demands to set out a timetable for her departure from Number 10, amid growing pressure from Tory MPs to make way for a new leader.
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Anti-sleaze campaigner Martin Bell said respect for MPs "dissolved" during the expenses scandal.
"The one upside of the European elections is that the British establishment, in all their cosseted, feather-bedded, oh-so-superior smugness are going to get the shock of their bloody lives."
A Tory grassroots revolt has been threatened next month if Mrs May does not set out specifics on when she will pack her bags and leave Downing Street.
Labour Leave's co-chair Kate Hoey has claimed now is the time for the Prime Minister to step down, as cross-party Brexit talks continue.
The MP for Ilford South called for a "fundamental reform" of Britain's political system.
The 1922 Committee secretary joked that the royal couple had "delivered the royal baby on time", and could now turn their attention to Brexit.
Theresa May is expected to have discussions with the chairman of the powerful 1922 Committee of Tory backbenchers as calls increase for her to set a firm resignation date.
The former spin doctor revealed he was unsure of who to vote for in the upcoming EU elections.
The disgraced MP announced she will not stand in a by-election, triggered after voters in her constituency signed a recall petition demanding her removal.
The deputy leader of the Liberal Democrats has said that the success of the party in the local elections was “a Lib Dem fightback”.
The former Director of Communications of Downing Street has said that Gavin Williamson, who was sacked as defence secretary on Wednesday, will be “a thorn in the prime minister’s side”.
Amelia Womack, the deputy leader of the Green Party, has said “two-party politics is dying” as the party has gained over 40 seats in the local elections results so far.
Liberal Democrat Ed Davey has described the party as being “back in business” after they gained over 300 council seats in the local elections.
The Conservative Party has lost over 400 council seats, with over 100 councils yet to declare their results.
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More than 27 per cent of registered voters in her constituency signed a recall petition demanding her removal.