The UK has reported 10,059 more Omicron cases – three times as many as were recorded yesterday.
It takes the total number of cases of the new COVID variant to 24,968.
Yesterday, 3,201 cases were reported.
The daily figures, released by the UK Health Security Agency (UKHSA), show 9,427 cases were recorded in England, 514 in Northern Ireland, 96 in Scotland and 22 in Wales.
It comes as London’s mayor has said he is “incredibly concerned” about the increase of Omicron cases in the capital.
Speaking to reporters from Chelsea’s Stamford Bridge football ground which is being used as a vaccination centre this weekend, Sadiq Khan said Omicron is now the “dominant variant” in the city.