7NEWS Update - Tuesday December 21, 2021: Prime Minister calls emergency National Cabinet meeting; Rafael Nadal tests positive to COVID-19

Prime Minister Scott Morrison has called an emergency National Cabinet meeting to discuss the growing threat of Omicron, with masks, boosters and borders on the agenda; Rafael Nadal has revealed he's tested positive to COVID-19 in Spain in another blow to the tennis star's hopes of appearing at the Australian Open; and a pair of secret Santas have given some struggling families a very welcome Christmas gift, paying off $10,000 dollars worth of strangers' Kmart lay-bys. 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.