Road traffic accident refers to the event of personal injury or property loss caused by vehicle fault or accident on the road. Among them, road refers to roads, urban roads and places where social motor vehicles are allowed to pass although within the jurisdiction of the unit, including squares, public parking lots and other places used for public passage. Vehicle refers to motor vehicles and non motor vehicles. Non motor vehicles, It refers to the means of transport driven by human or animal power and running on the road, as well as the motor wheelchair, electric bicycle and other means of transport for the disabled whose design maximum speed, empty vehicle quality and overall dimensions meet the relevant national standards although driven by power devices.
According to the above definition, which of the followings doesn't belong to road traffic accident:
Xiao Wang accidentally knocked down an old man when reversing in the closed management community