Here is a list of the 32 MPs who have resigned from the Government since yesterday evening.
It is the equivalent of around one in five of the total “payroll vote” in the House of Commons, which describes the number of MPs who hold positions from which they would have to resign in order to oppose the Government.
1. Sajid Javid, Secretary of State for Health and Social Care
2. Rishi Sunak, Chancellor of the Exchequer
3. Andrew Murrison, trade envoy to Morocco
4. Bim Afolami, Conservative Party vice-chairman
5. Saqib Bhatti, parliamentary private secretary at the Department of Health and Social Care
6. Jonathan Gullis, parliamentary private secretary at the Northern Ireland Office
7. Nicola Richards, parliamentary private secretary at the Department for Transport
8. Virginia Crosbie, parliamentary private secretary at the Welsh Office
9. Theo Clarke, trade envoy to Kenya
10. Alex Chalk, Solicitor General
11. Laura Trott, parliamentary private secretary at the Department for Transport
12. Will Quince, parliamentary under-secretary of state for children and families at the Department for Education
13. Robin Walker, minister of state for school standards at the Department for Education
14. Felicity Buchan, parliamentary private secretary at the Department for Business, Energy and Industrial Strategy
15. John Glen, minister of state at the Treasury
16. Victoria Atkins, minister of state for prisons and probation at the Ministry of Justice
17. Jo Churchill, parliamentary under-secretary of state at the Department for Environment, Food & Rural Affairs
18. Stuart Andrew, minister of state for housing at the Department for Levelling Up, Housing & Communities
19. Selaine Saxby, parliamentary private secretary at the Treasury
20. Claire Coutinho, parliamentary private secretary at the Treasury
21. David Johnston, parliamentary private secretary at the Department for Education
22. Kemi Badenoch, minister of state at the Department for Levelling Up, Housing & Communities
23. Julia Lopez, minister of state at the Department for Digital, Culture, Media & Sport
24. Lee Rowley, parliamentary under-secretary of state at the Department for Business, Energy & Industrial Strategy
25. Neil O’Brien, parliamentary under-secretary of state at the Department for Levelling Up, Housing & Communities
26. Alex Burghart, parliamentary under-secretary of state at the Department for Education
27. Mims Davies, parliamentary under-secretary of state at the Department for Work & Pensions
28. Duncan Baker, parliamentary private secretary at the Department for Levelling Up, Housing & Communities
29. Craig Williams, parliamentary private secretary at the Treasury
30. Mark Logan, parliamentary private secretary at the Northern Ireland Office
31. Rachel Maclean, parliamentary under-secretary of state for safeguarding at the Home Office
32. Mike Freer, parliamentary under-secretary of state for exports at the Department for International Trade
Read more: Sunak and Javid resign as Boris Johnson's leadership faces fresh crisis
