Another 26,688 people in Britain have tested positive for COVID-19, the highest daily increase ever since the pandemic began in the country, according to official figures released Wednesday. (Photos: Xinhua)

People wearing face masks sanitize their hands as they leave Marble Arch tube station, in London, Britain, on Oct. 21, 2020.

People wearing face masks walk past a souvenir store on Oxford Street, in London, Britain, on Oct. 21, 2020.

Photo taken on Oct. 21, 2020 shows signs of the local COVID-19 alert level is high, at Blackwall DLR station in London, Britain.

People wearing face masks are seen in a metro train in London, Britain, on Oct. 21, 2020.