Employees were fighting in the hotel. Why don’t the police let them go?

According to the query of relevant information: he was detained. If an employee fights in a hotel, which constitutes beating another person in public, or intentionally injuring another person's body, he or she shall be detained for not less than five days but not more than ten days, and shall be fined not less than RMB 200 but not more than RMB 500. If the circumstances are serious, he shall be detained for not less than 10 days but not more than 15 days, and shall be fined not less than 500 yuan but not more than 1,000 yuan.