Services disrupted as London hospitals hit by cyber-attack

Attack is having a major impact' on Guy's and St Thomas' NHS trust, and is understood to have also affected other hospitals

Major NHS hospitals in London have been hit by a cyber-attack, which is seriously disrupting their services, including blood tests and transfusions.

The ransomware attack is having a major impact" on the care provided by Guy's and St Thomas' NHS trust, its chief executive has told staff in a letter.