Foreign Secretary Dominic Raab says the "challenge" with testing for #COVID19 in airports is 'the very high false positive rate' and adds 'only 7% of tests will be successful in identifying those who have the virus'.#KayBurleyhttps://t.co/7c8W5pWNmp pic.twitter.com/QG8EJnQbWH

— Sky News (@SkyNews) September 23, 2020