ALT Simple red and white graphic which reads: 20 years since the 7/7 London bombings. The role of blood donation on 7 July 2005.

ALT Simple red and white graphic which reads: Total blood ordered by hospitals: 1,455 = 978 units of red cells, 36 doses of platelets, 141 units of fresh frozen plasma, 300 doses of cryoprecipitate

ALT Simple red and white graphic which shows 18 blood vans. Text below reads: Our NHSBT drivers carried out 18 emergency deliveries across the day.

ALT Simple red and white graphic. Text reads: Blood donors made a difference then. You can make a difference now. Book now at blood.co.uk

ALT The Manchester mobile team at Last Drop near Bolton. Image shows the team standing in a group pose and smiling at the camera.

ALT An asset showing three women celebrating the Hindu festival of Diwali. The text reads Happy Diwali.

ALT Image shows a smartphone with a low battery icon in the shape of a blood bag. Text reads - O type blood stocks are running unprecedentedly low. Book at blood.co.uk, on the app, or by calling for a priority appointment on 0300 123 23 23.

ALT Feeling good! Image shows two young people - one man, one woman - after they have given blood smiling and looking at the camera.