A motorcyclist smashed a car after the motorist blew their horn and scared him in a dramatic road rage incident. The video, filmed in the city of Kunming in Yunnan Province on March 13, shows an angry motorcyclist driving in front of a car to force it to stop. After that, he drove around to the side of the car to smash the windows and break the rearview mirror. According to the motorist named Li, she blew her horn once to warn the vehicles in front of her as the road was busy. However, the motorcyclist was scared by the horn and swore at Li, but Li ignored him and drove away as she was in a hurry. The motorcyclist then followed her and drove to the front of it to force her to stop. Li has called police and they are investigating the case, reports said. The video was provided by local media with permission.