WATCH: Chaos Erupts After Escalator in Hong Kong Mall Suddenly Reverses, Injuring 18

At least 18 shoppers at a Hong Kong mall were injured on Saturday when a escalator suddenly reversed at an increased speed. Witnesses captured the incident on video, showing the crowded escalator at the Langham Place shopping center when it unexpectedly shifted from moving upwards to downwards at a high speed. Surprised riders lost their balance, tumbling downwards and causing a dangerous pileup at the bottom of the moving stairway. "I was going up the escalator, and it was two times faster than...