NHS issues 'amber alert' as national blood shortage creates 'perfect storm'
![NHS issues 'amber alert' as national blood shortage creates 'perfect storm'](https://i2-prod.mirror.co.uk/incoming/article33326622.ece/ALTERNATES/s615/0_DQP_BEM_240123DONOR_04JPG.jpg)
An amber alert has been issued by the NHS with Brits urged to donate blood due to a national shortage in what has been called a "perfect storm" as hospitals have had an increase in demand