According to law enforcement officials, the driver was punched in the face around 9 p.m at 39th and Indiana in Kansas City, Mo. He sustained serious injuries from the blow and was knocked unconscious.
Video of the assault has been uploaded to the Kansas City Police's YouTube channel.
Police have also provided video with a more detailed view of the man who punched the driver. The man appears near the 15-second mark.
If you have information on the identity of anyone involved in the attack, you're asked to call the TIPS Hotline at 816-474-TIPS.
By Annie Greenberg