Urgent plea for London's 'missing' O negative donors as blood stocks run 'critically low'

Donors are urgently needed to come forward and help the NHS replenish O Negative blood supplies - (PA Wire)

An urgent plea has been issued to thousands of “missing” O negative blood donors across London, as supplies run “critically low”.

NHS Blood and Transplant has revealed there are 4,303 donors in the capital with the vital O negative blood type whose last donation was more than 12 months ago.