Cases of the Omicron Covid variant have been detected in Windsor and Maidenhead.

As the Government pushes ahead with ‘Plan B’ rules, three Omicron cases were confirmed in the area as of December 10.

The rate of coronavirus infection has been rising steadily in Windsor and Maidenhead since November 6, when 56 cases were confirmed in one day.

On December 8, 175 new infections were detected – an increase of 212 per cent.

Read more: Almost 500 test positive for Coronavirus in Windsor and Maidenhead over weekend

The news comes as Dominic Raab defended the set of measures introduced by the Government to tackle the new variant, including working from home and increased mask-wearing.

Asked if Christmas will be safe by Times Radio, the Justice Secretary said: “Yes, I think it is. I want to give that reassurance. I think people can look forward to spending Christmas with loved ones in a way that we couldn’t last year.”

The UK Health Security Agency (UKHSA) believes the Omicron variant is causing around 200,000 new infections per day.

Read more: 21 Covid symptoms as Boris Johnson brings forward booster jab deadline

There is exponential growth, with cases doubling at least every two to three days.

Plan B could see Boris Johnson face the biggest rebellion of his premiership, with dozens of Tory MPs set to vote against the latest Covid restrictions.

More than 70 backbenchers are threatening to defy the whips and oppose the Government’s Plan B for England, but with support from opposition parties the measures will pass.