THE NHS is urging people to continue donating blood following an cyber attack that brought operations to a halt at major hospitals in London. The cyber gang took control of the IT network , crippling services such as diagnostic blood testing. 2 St Thomas' Hospital in London is one of the major hospitals affected by the cyber attack 2 An appeal has been launched for O blood-type donors to book appointments across the country Credit: Getty Brits with O blood type are being asked to book appointments to donate, as this is safe for all patients.

It comes after several London hospitals declared a critical incident, cancelled operations and tests, and were unable to carry out blood transfusions this week after the attack on the pathology firm Synnovis. Qilin, a Russian group of cyber criminals, is understood to have been behind the attack, which impacted King's College Hospital, Guy's and St Thomas', the Royal Brompton and the Evelina London Children's Hospital, and primary care services. O BLOOD NEEDED NHS Blood and Transplant is now calling for all O-Positive and O-Negative donors to book appointments in one of London's 25 NHS donor centres to boost stocks.

The NHS said hospitals need to use O-type blood for surgeries and procedures requiring blood, as this is safe for all patients. Blood has a shelf life of 35 days, so stocks need to be continually replenished. To support London hospitals in carrying out more surgeries and to provide the best care we can for all patients, we nee.