British PM Boris Johnson's health "continues to improve", his office said on Thursday as the prime minister spent his fourth day in ICU at a London hospital after being hit by coronavirus.

COVID-19: PM Boris Johnson's health 'continues to improve'

As the death toll due to coronavirus in the UK continued to rise, reports said the National Health Service(NHS) was resorting to "ventilator rationing". Also Read: 100,000 or lesser casualties a good number for US, says Trump The chief executive of NHS Providers, Chris Hopson had earlier told the BBC that hospitals had seen an "explosion of demand.

UK begins 'ventilator rationing' as coronavirus cases rise: Report

In a massive development, British PM Boris Johnson confirmed on Twitter that he is infected with novel coronavirus on Friday. Boris Johnson said "over the last 24 hours I have developed mild symptoms and tested positive for coronavirus" in a tweet.

WION Dispatch: UK PM Boris Johnson tests positive for coronavirus

News Alert: Boris Johnson tests positive of COVID-19