UK Health Secretary Matt Hancock has tested positive for the coronavirus. He is self-isolating at home and his symptoms are said to be mild.
Gove to take PM's place at daily briefing
A No 10 spokesman said the PM's meals and work documents would be left outside his door.
It is understood his fiancee Carrie Symonds, who is pregnant, is self-isolating elsewhere, although No 10 has not given any details about where she is.
Other people working in Downing Street are also now self-isolating.
Mr Johnson will not be appearing at this afternoon's daily coronavirus briefing. It is understood that senior Cabinet minister Michael Gove will be taking his place.
Source from: https://www.bbc.co.uk/news/live/world-52058788