Top news
Israel tightens travel restrictions over new COVID variant
Government imposes new restrictions to fight Omicron as first cases found in UK
By Denis Campbell, Toby Helm & Michael Savage
Israel to ban entry of foreigners from all countries over Omicron
By maayan lubell
All coverage
New Covid variant: Will new measures against Omicron work?
By James Gallagher
Indonesia bans arrivals from 8 African countries due to Omicron variant
By Nilufar Rizki, Fathin Ungku & Frances Kerry
The Observer view on the Omicron variant
By Observer Editorial