BORIS Johnson no longer has a majority in the House of Commons after another MP quit the Tory party.
As the Prime Minister desperately tries to fend off measures aimed at blocking him from leaving the EU on October 31, we take a look at the MPs who’ve quit since he took power.
4 Phillip Lee sitting on the opposition benches after his defection to the Lib DemsCredit: Sky News
Phillip Lee joined the Liberal Democrats after 27 years in the Conservative party on Tuesday, September 3, 2019.
The outspoken MP for Bracknell made the move during an address made by Boris Johnson in Parliament.
Announcing his defection he said "the party I joined in 1992 is not the Party I am leaving today".
In a statement he took a blast at Mr Johnson, saying: "This Conservative Government is aggressively pursuing a damaging Brexit in unprincipled ways.
"It is putting lives and livelihoods at risk unnecessarily and is endangering the integrity of the UK. It is using political manipulation, bullying and lies.”
Dr Lee was born and raised in Buckinghamshire and studied human biology and biological anthropology at King's College London, then Keble College, Oxford.
He also studied medicine at Imperial College London and is a qualified doctor.
He resigned as a justice minister to back a second referendum.
4 Sarah Wollaston, right, with Lib Dem leader Jo Swinson, and Chuka Umunna
Sarah Wollaston, 57, has been the MP for Totnes in Devon since 2010 and was elected as a Conservative but quit over Brexit in February 2019.
In August she revealed she is joining the Liberal Democrats – her third political party of the year.
She resigned from the Conservatives over its handling of Brexit in February before joining Labour defectors in Change UK.
The MP is fiercely against Brexit and has campaigned for a second referendum.
She warned the Tories were "in the grip" of the DUP and Brexiteer Tories in the European Research Group.
Dr Wollaston was born in Woking, Surrey and studied medicine at London's Guy's hospital, qualifying in 1986.
She worked as a junior paediatrician before training as a GP.
Since 2017 she has also been chair of the powerful liaison committee, made up of the chairs of the 32 select committees.
Dr Wollaston met her husband, psychiatrist Adrian James, at medical school and the couple have three children.
4 Justine Greening is quitting as a Tory MPCredit: AFP or licensors
Former cabinet minister Justine Greening, 49, has announced she is to stand down as an MP at the next election.
She campaigned for Remain in 2016 and has called for a second referendum.
Announcing her decision to stand down in an interview with the BBC, she said a "far better way" of resolving the situation was to offer a referendum on the "different options for Brexit".
David Cameron brought her into his front bench team in 2009 as shadow minister for London.
The following year she became Economic Secretary to the Treasury, and a year after that she was promoted to Transport Secretary.
She then served four years as International Development Secretary.
When Theresa May took over in Downing Street in July 2016 she promoted Ms Greening to Education Secretary. She was also Minister for Women and Equalities.
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In January 2018 she quit the government after refusing a move to the Work and Pensions brief as part of a reshuffle.
Greening went to a comprehensive school in Rotherham and qualified as an accountant before entering politics.
In June 2016 she revealed she was in a same-sex relationship.
4 Jo Johnson has quit his brother's governmentCredit: AP:Associated Press
Boris Johnson's younger brother has quit as Tory MP after being "torn between family loyalty and the national interest."
The 47-year-old former Financial Times journalist entered politics in 2010 when he became the MP for Orpington.
He said he was "torn between family loyalty and the national interest” but said there was an "unresolvable tension".
From April 2013 to May 2015, he was the Head of the Number 10 Policy Unit, and became Minister of State for the Cabinet Office in July 2014.
Following the May 2015 general election, Jo Johnson became the Minister for Universities and Science.
He served as the Minister for London in Theresa May's government.
In January 2018, he became the Minister of State for the Department of Transport until his resignation on November 9, 2018 over Mrs May's Brexit deal.
He is married to Guardian journalist Amelia Gentleman, and they have two children.