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Commuters crushed as subway escalator suddenly changes direction
The TelegraphRogue escalator randomly switches direction sending dozens of commuters tumbling
Daily ExpressThree seriously injured after escalator at South Korea subway station suddenly reverses
CNABusy escalator in South Korea suddenly changes direction
BBC[PHOTOS] Subway escalator accident
The Korea Times14 injured as escalator reverses at Sunae Station in Bundang
The Korea Times14 injured by reversing subway escalator
The Korea Herald