Lucy Letby: Police urged to investigate hospital bosses for corporate manslaughter

Key prosecution witness in the trial of the serial killer nurse calls for inquiry into grossly negligent' executives

Hospital bosses who failed to act on concerns about the killer nurse Lucy Letby should be investigated by police for corporate manslaughter, says the prosecution's key medical expert.

Speaking to the Observer, Dr Dewi Evans, whose evidence was central to the case against Letby, said executives were grossly negligent" for not acting on fears about the nurse as she murdered seven babies and attempted to kill another six.