Politicians wished Prime Minister Boris Johnson a "full recovery" after he revealed his coronavirus diagnosis.
In a video on his Twitter account, Mr Johnson said he had developed a temperature and a persistent cough.
He is now self-isolating at Downing Street in keeping with NHS guidance.
A number of politicians took to Twitter to wish the Prime Minister a full recovery.
Shadow home secretary Diane Abbott tweeted: “I don’t wish anyone ill. I wish the Prime Minister a speedy recovery. I hope everyone in coming days gets the care and medical attention they need.”
Nigel Farage posted: “Wishing @BorisJohnson well and a very rapid recovery.”
Former chancellor Sajid Javid said: “Get well soon. Sending you best wishes from Javid family and Bailey.”
London Mayor Sadiq Khan, who has been locked in a public spat with Mr Johnson over public transpot in London, also wished him a quick recovery.
“Sorry to hear this and hope you feel better soon", Mr Khan said.
"Thank you for everything your Government is doing to help us fight this. This is a reminder that anyone can get #COVID19. We must all follow the rules and stay at home to support our amazing NHS staff to save lives.”
European Council President Charles Michel also wished the Prime Minister well "on behalf of Europe".
He posted: "Get well soon @BorisJohnson. Europe wishes you a speedy recovery.
"I believe we’ll win this fight against #COVID19 together.
"#StrongerTogether."
