UK detects third case of Omicron variant 

A third case of the new Omicron variant has been detected in the UK

Shoppers wearing face masks in Regent Street, London.

A third case of the Omicron variant of coronavirus has been detected in the UK

Mandatory mask-wearing will return to shops and public transport on Tuesday, UK Health Secretary Sajid Javid said as a third case of the variant was detected.