The former chancellor is the favourite to lead the Tories after ex-PM Boris Johnson dramatically withdrew from the race he never officially entered.
Boris Johnson
Tory leadership contest: How the week will unfold
Sir Graham Brady, chairman of the powerful 1922 Committee of Tory backbenchers, has said the party will have a new leader by Friday.
What next for Boris Johnson, the former PM with aspirations to lead again?
Mr Johnson was forced late on Sunday to admit he could not unite his warring party, seemingly surrendering to Rishi Sunak.
Tory MPs to make their choice for leader after Johnson withdraws
Rishi Sunak and Penny Mordaunt face off in the race for No 10 after ex-PM said it is ‘not the right time’ for him to stand.
Sunak will be just as bad as Johnson for Scotland, says Ian Blackford
The SNP Westminster leader’s comments come after Boris Johnson’s dramatic withdrawal from the Tory leadership contest.
Boris Johnson pulls out of race for 10 Downing Street
The former prime minister admitted he cannot unite the warring Conservative Party.
Johnson’s team claim he has the numbers to get on the ballot paper
Rival camps react with suspicion in the absence of a formal declaration from the ex-PM that he is standing.
Partygate to Pincher: Johnson considers comeback despite year of scandals
The ex-PM was forced to quit by his own MPs after a series of political crises.
Swinney urges Tories to ‘do the decent thing’ and call general election
Scottish Deputy First Minister John Swinney made the call as the deadline approaches for candidates to declare in the Tory leadership contest.
Return of Boris Johnson would be ‘guaranteed disaster’, says Tory minister
Northern Ireland minister Steve Baker, an influential figure on the Tory right, is backing former chancellor Rishi Sunak.