Omicron coronavirus cases surge in UK, scientists see bigger wave

Britain reported a surge in cases of the Omicron coronavirus variant on Saturday which government advisors said could be just the tip of the iceberg, and London's mayor declared a "major incident" to help the city's hospitals cope.

The number of Omicron cases recorded across the country hit almost 25,000 as of 1800 GMT on Friday, up by more than 10,000 cases from 24 hours earlier, the UK Health Security Agency (UKHSA) said.

Seven people believed to have had the Omicron variant had died...