Here's a road rage incident that got way out of hand. A video of college kids on motorcycles going at it with some guys in pickup trucks has gone viral. One of the bikers starts yelling at one of the pickup drivers who then proceeds to beat him badly.
Then two other guys with weapons join in. One waves a shotgun around while another with a knife steals a biker's GoPro. But different GoPro captures the whole thing.
(WARNING!!! THIS IS FULL OF EXPLETIVES. Skip to 1:15. Here's more.)