A grandfather looked like he had been "mauled by a lion" after falling on a moving escalator.
Frank Ball, 73, was dashed to A&E after he was dragged upside down on the stairway. The retired electrical engineer impaled his head and trapped his leg on the escalator.
The pensioner needed a skin graft about 5cm by 6cm on his head and broke a vertebrae in the top of his spine.
