A third case of the Omicron strain of coronavirus has been detected in the UK. Officials said the case was linked to travel to southern Africa, where the variant was identified, but the individual was no longer in the UK.
They added it was "very likely that we will find more cases over the coming days... as we increase case detection through focused contact tracing".
The first UK cases were confirmed on Saturday in Essex and Nottingham. It comes after Health Secretary Sajid Javid said mandatory mask-wearing will return to shops and public transport on Tuesday, but told families to plan for Christmas "as normal".
He said on Sunday it was "nowhere near" time to reintroduce social distancing rules and work-from-home guidance, despite a raft of