A varied field of candidates have been tipped to replace Boris Johnson as the next Conservative Party leader and British Prime Minister.
Here are the seven front-runners.
1. Rishi Sunak
Rishi Sunak. 11/2. Rishi Sunak, the former Chancellor of the Exchequer, and MP for Richmond, Yorkshire.
2. The Andrew Marr Show
Ben Wallace. 11/2. The current British Defence Secretary, is a former Scots Guard who served in Ireland during the Troubles and is the MP for Wyre and Preston North.
Photo: PA Media
3. Boris Johnson's Post-Brexit Cabinet Reshuffle
Liz Truss. 15/2. The British Foreign Secretary is the architect of the Northern Ireland Protocol Bill which overrides elements of Brexit Withdrawal Agreement Protocol Britain signed with the European Union and MP for South West Norfolk.
Photo: Getty Images Europe
4. Chris Pincher resignation
Sajid Javid. 15/2. Bromsgrove MP and former British Home Secretary, Chancellor of the Exchequer and Health Secretary.
Photo: PA Wire