Scandal at Downing Street: How bad can it get for Boris Johnson?

Latest controversy centers on who paid for the refit of the British leader's apartment.

U.K. Prime Minister Boris Johnson has been forced to deny he broke the law, as a series of rows from lobbying to what the opposition has dubbed “sleaze” threaten to engulf his government.
 

The Electoral Commission opened a probe into whether funding arrangements for the refurbishment of his apartment breached election legislation last year. The inquiry could last months. With more claims likely to emerge from disillusioned former aide Dominic Cummings in the weeks ahead, Johnson’s political authority is on the line.

What has Johnson done?
 

The latest row centers on who paid for the refit of Johnson’s apartment at