British Prime Minister Boris Johnson, who was diagnosed with coronavirus on March 26, is in intensive care in a London hospital after his condition worsened on Monday evening.
Foreign secretary Dominic Raab will be leading the UK government response to the coronavirus while Johnson is in hospital.
In Europe, there are indications that the pace of infections in hard-hit Spain and Italy is slowing, although the death toll continues to rise.
In the United States, the outbreak is still growing with the death toll at least 10,000 - the third highest in the world - and more than 366,000 confirmed cases.
Globally, the number of people diagnosed with the virus now exceeds 1.3 million. More than 74,500 people have died while more than 276,515 have recovered, according to data compiled by Johns Hopkins University.