7NEWS Update - Monday February 21, 2022: Queen tests positive to COVID; Sydney trains cancelled

The Queen is facing a major health scare, testing positive for COVID-19 just days after both Charles and Camilla caught the virus; Sydney commuters are being warned to expect widespread disruption across the entire network with no trains running today; Australia's international border has finally reopened to tourists - Darwin becoming the first city to welcome arrivals just after 3am. Presented by Jodie Speers. More news across the day on 7NEWS.com.au and 7Plus. Hosted on Acast. See acast.com/privacy for more information.