What happens when escalators attack ..


Up to 18 people have been injured after an escalator suddenly changed direction in a Hong Kong shopping centre. CCTV footage of the incident at Langham Place mall in Hong Kong’s Mongkok district was posted to social media .
A chain and an emergency break both seems to have malfunctioned, despite the escalator passing an inspection last week.
Two technicians have been arrested on charges of obstruction of justice


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