Factbox: The many scandals of Boris Johnson's premiership

FILE PHOTO: British Prime Minister Boris Johnson addresses parliament on the Commonwealth Heads of Government meeting, G7 and NATO summits, at the House of Commons in London, Britain July 4, 2022. UK Parliament/Jessica Taylor/Handout via REUTERS

Boris Johnson will announce his resignation as British Prime Minister on Thursday, a government source said, after he was abandoned by ministers and his Conservative Party's lawmakers who said he was no longer fit to govern.

After days of battling for his job, Johnson had been abandoned by all but a handful of allies after the latest in a series of scandals broke their willingness to support him.