Covid news live: 4,000 more flights cancelled over Omicron; Israel to offer fourth jab to over-60s

A woman at the Adolfo Suarez-Madrid Barajas airport in Madrid, Spain, as flight cancellations cause travel chaos across the world, with the Omicron variant forcing flight crews to quarantine. Photograph: Europa Press News/Europa Press/Getty Images

source https://www.theguardian.com/world/live/2022/jan/03/covid-news-live-4000-more-flights-cancelled-over-omicron-israel-to-offer-fourth-jab-to-over-60s