Tony Stewart, an American NASCAR driver (in case you haven't heard of him), has gotten involved in an altercation with Kevin Ward Jr, at a Sprint Car Cup race, which lead to Ward Jr, exiting his car, walking onto the track to wave down Stewart during a yellow-flagged caution period. Allegations have been made that Stewart purposefully ran him over, at speed, however, these allegations are very serious and yet to be proven. Tragically, Ward Jr was pronounced dead at 11:15 pm local time at the F.F. Thompson Hospital. Stewart, known for having an abrupt and erratic temper, according to sources, is cooperating with authorities. A word of caution, if you do decide to YouTube the incident, please be advised, it contains graphic content. Viewer discretion is advised.