Door-to-door coronavirus testing is being rolled out in parts of England in an attempt to stem the outbreak of a more contagious variant discovered in South Africa.
The "surge testing" scheme will see mobile testing units deployed in eight areas where the variant has been found.
A statement released by the UK Department of Health and Social Care on Monday said 105 cases of the strain had been detected in the UK to date and 11 "cannot be traced back to international travel," leading to concerns about community transmission.
The scheme will take place in areas of London, the West Midlands, and the South East, North West and East of England. Everyone over the age of 16 will be asked to take a test even if they are asymptomatic. Any positive cases will be sequenced to find out if the person has the variant.
“It is vital that we do all we can to stop transmission of this variant and I strongly urge everyone in these areas to get tested, whether you have symptoms or not," UK Health Secretary Matt Hancock said.