Negligence – Causation. The claimant suffered a severe trauma to his knee and attended at the defendant Hospital for medical intervention. He underwent an operation and following the operation was unable to move his toes and foot. The claimant claimed damages in respect of the personal injury and loss which it was alleged was caused by the clinical negligence of the defendant NHS Trust. The Queen's Bench Division, following a testing of the claimant's evidence, allowed the claim.