Covid live: Omicron may be less severe but not ‘mild’, says WHO; threat to arrest unvaccinated in Philippines

WHO chief says calling variant mild' is not accurate; Philippines president orders arrest of unvaccinated people who violate stay-at-home orders

• First Covid wave raised UK adult risk of death by 40%, study finds
• Vaccine mandates and fines: how Europe hopes to persuade unjabbed
• UK reports 179,756 new Covid cases as Omicron surge continues
• Hospitals outside London expect more Covid patients than last January'
• Djokovic to remain in detention during Australian Open visa challenge

Novak Djokovic flew into Melbourne airport on Wednesday night planning to defend his Australian Open title. Instead, the World No 1 is being held in a quarantine hotel and is set to be deported tonight after a remarkable series of events led to his visa being cancelled.

So how on earth did it get to this point?