Boris Johnson -- and six Conservative MPs -- are self-isolating after a meeting inside Downing Street.
One of those MPs, Lee Anderson, tested positive for Covid-19. That means the Prime Minister, who's already had coronavirus, was forced into quarantine at the start of what's supposed to be a big week of policy announcements for the government.
Olly Barratt reports from London.
IN: Resetting Boris Johnson's administration
OUT: two metres apart
DUR: 27 secs