The crime of obstructing public service refers to the act of hindering the performance of official duties by means of the threat of violence.
According to the above definition, which of the following acts is a crime of obstructing public service?
When a public security officer was riding a bike to go shopping, he collided with a person, and the person who was hit was angry and held on to the public security personnel, causing a crowd to watch, which seriously affected the traffic order