A man from Southeast Asia was arrested in Hong Kong on Saturday morning for pushing a cleaner onto a rail track in the town of Yuen Long.
CCTV security footage of the incident shows the woman walking along the platform at Yuen Long station at around 10:30am.
Footage shows the 59-year-old cleaner, known only as Leung, standing on the platform and waving to a colleague on the other side. A man in a blue shirt and beige cap walks behind her and shoves her onto the tracks before calmly walking away.
In the clip, which has since gone viral on social media, the man appears to calmly walk behind the woman.
Thankfully, no trains were approaching and the woman was able to escape with her life with only an injured jaw. The man is believed to be holding a Hong Kong identity card.
A police spokeswoman has issued a statement, saying that the man has been arrested by officers on suspicion of assault causing actual bodily harm.
She was taken to hospital with "injuries to her jaw", the South China Morning Post reported.
Officers from the Yuen Long criminal investigation division are looking into the motive.
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