Why is Nanchong, Sichuan Province listed as a violent city?

Nanchong, Sichuan was rated as a violent city, which can be traced back to a competition on May 23rd. 1988. In that game, because the Sichuan team didn't get the right to qualify, some Sichuan team members were injured in the game, and some spectators and fans were angry and dissatisfied, trying to entangle and rub with the visiting team Tianjin. When the police at the scene stopped, maintained order and protected the safety of athletes, a few people took advantage of the dissatisfaction of some fans and took the opportunity to incite trouble and engage in beating, smashing and looting. This led Nanchong to be defined as a violent city because of this incident.

Generally speaking, Nanchong, Sichuan was rated as a violent city, mainly because of the violent incident caused by a competition, which led to the city being labeled as a violent city.