Djokovic deported from Australia

Novak Djokovic is on a flight from Australia after a court ruled the tennis star should not be allowed stay in the country. Federal judges upheld the government's decision to cancel his visa on the basis that his presence risked encouraging anti-vaccine feeling. Also: why Omicron is spreading concern for the Beijing Winter Olympics, and the cargo train from North Korea to China that might signal an easing of Covid restrictions.