Prime Minister Boris Johnson will face a confidence vote from members of the Conservative Parliamentary Party this evening. Sir Graham Brady, the chairman of the backbench 1922 Committee, confirmed in a statement this morning that he had received the 54 letters from Conservative MPs needed to trigger a vote.
Voting will take place between 6pm and 8pm and the result will be announced shortly after. In order to oust the Prime Minister, the rebels will need 180 MPs, and allies of Mr Johnson made clear he is determined to fight to stay on.
Here is how recent leaders of the Conservative Party have fared in votes of confidence or challenges to their position.
