Who called the police at the Prince Hotel?

The alarm source of the Prince Hotel incident was the sudden death of a hotel guest. This guest, a Hong Kong resident, checked into the Prince Hotel on October 30th, 20 18, and died suddenly shortly after he checked in. Subsequently, the hotel staff immediately notified the police and blocked the room. The police then conducted an investigation on the scene and publicly announced the death, which caused widespread concern. Finally, after many investigations and tests, it was determined that the cause of death of the guests was natural death and there was no criminal act.