PRIME Minister Boris Johnson has reportedly tested positive for coronavirus.

Mr Johnson announced on social media he had mild symptoms and is now self-isolating.

He said: "Over the last 24 hours I have developed mild symptoms and tested positive for coronavirus.

"I am now self-isolating, but I will continue to lead the government’s response via video-conference as we fight this virus.

"Together we will beat this. #StayHomeSaveLives"

The Prime Minister was tested in Number 10 after experiencing mild symptoms on Thursday.

A Downing Street spokesman said: "After experiencing mild symptoms yesterday, the Prime Minister was tested for coronavirus on the personal advice of England's chief medical officer, Professor Chris Whitty.

"The test was carried out in No 10 by NHS staff and the result of the test was positive.

"In keeping with the guidance, the Prime Minister is self-isolating in Downing Street.

"He is continuing to lead the government's response to coronavirus."