The NHS has pleaded with Londoners for donations of a rare blood type, warning that supplies are at a "worrying low".
Around 2,100 people in the capital with B-negative blood are being urged by the health service to “boost stocks this summer”.
The NHS has pleaded with Londoners for donations of a rare blood type, warning that supplies are at a "worrying low".
Around 2,100 people in the capital with B-negative blood are being urged by the health service to “boost stocks this summer”.