Hong Kong’s rail giant has appealed to passengers to avoid engaging in behaviour that disturbs other commuters after a viral video appeared to show a man urinating inside a train carriage.
In the video clip, a male passenger is seen facing the doors of the train with his back to the other passengers.
The clip shows a pool of what appears to be urine at his feet, with the liquid spreading across the floor of the train carriage. His shorts are also wet in the footage.
Other passengers can be seen moving away from the liquid, without anyone approaching the man.

The video, which was uploaded on Monday evening and quickly attracted attention online, sparked a wave of discussions. Many commenters said the behaviour was shocking, while some said they were equally disturbed that no one had interfered.