The ex-PM urged his supporters to stick with the agenda he set out to deliver victory at the next general election.
Boris Johnson
Boris Johnson ‘living in property connected to wealthy Tory donor’
Since leaving office in September, Mr Johnson has declared more than £1 million in speaking fees.
What could Rishi Sunak’s Cabinet look like?
The next prime minister will start assembling a top team that he will hope can return a measure of stability to the country.
What happens to the UK-India trade deal when Rishi Sunak becomes prime minister?
The Government had committed to signing a deal by the time Diwali took place on Monday.
Almost two-thirds of public want general election once Sunak becomes PM
The number of people supporting calls for a general election has increased since Liz Truss resigned as Prime Minister.
Three prime ministers inside seven weeks – how did that happen?
Here is a timeline of the recent political crises which engulfed the leadership of two prime ministers and ultimately led to their downfall.
Rishi Sunak tells Tories to ‘unite or die’ amid ‘profound economic challenge’
He will become the next prime minister after Penny Mordaunt failed to win the support of Conservative MPs.
Incoming prime minister Rishi Sunak tells warring Tories to ‘unite or die’
The former chancellor becomes the new Tory leader after Penny Mordaunt failed to win the backing of MPs.
Markets rally as businesses call for end to uncertainty under new PM
Shares rose in London after a rollercoaster day.
Rishi Sunak to be prime minister after Penny Mordaunt fails to win MPs’ backing
He will become the UK’s first Hindu PM after his rival failed to get the support of 100 colleagues.