A carbon monoxide leak at a Hong Kong railway station caused six workers to fall unconscious on Monday, with four of them later being sent to hospital.
Police said a staff member from Mong Kok East MTR station filed a report to the force at 2.41pm saying that the six workers had been found collapsed in a changing room.
The force said the leak originated from a generator.
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All six people later regained consciousness, with four of them sent to Kwong Wah Hospital in Yau Ma Tei, before being transferred to Pamela Youde Nethersole Eastern Hospital in Chai Wan.
The other two workers declined hospital treatment.
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In a reply to the Post, the MTR Corporation said the workers were contractors who had been renovating the ceiling of the station’s staff changing room and had used a fuel-powered generator.