This is the horrifying moment a wheelchair-bound man plunged to his death down an elevator shaft after he deliberately rammed the lift door in a fit of anger. The Korean man just misses a lift in a shopping centre after the woman inside pressed the button to go down. As the doors closed a split-second before he reached the lift, the man, known only as Mr Lee, slammed his vehicle into them. The 40-year-old pressed the button to no avail and the elevator left. Mr Lee then reversed his vehicle slightly and drove into the doors again, making a dent....