NASCAR Tony Stewart hits and kills Kevin Ward Jr on racetrack August 9, 2014

Nascar driver Tony Stewart will not face criminal charges for hitting and killing Kevin Ward Jr. with his car during a dirt-track race in the US.
The driver struck and killed his fellow sprint car racer who had climbed from his vehicle in an attempt to confront Stewart during a race in upstate New York on Saturday night.
Ontario County Sheriff Philip Povero said his department's investigation is not criminal and that Stewart was "fully cooperative" and appeared "very upset" over what had happened.
A video of the crash at Canandaigua Motorsports Park showed driver Kevin Ward Jr., wearing a black helmet and firesuit on a dimly lit track, walking toward Stewart's car before being hit and hurtled 50 feet. Povero said the driver was pronounced dead Saturday night at a Canandaigua hospital. Stewart was unhurt.
A witness said it appeared Ward was trying to confront Stewart, the three-time Nascar Sprint Cup Champion. The video showed Ward standing to the right of Stewart's familiar No. 14 car, which seemed to kick out from the rear and hit him.
"The next thing I could see, I didn't see (the other driver) anymore," witness Michael Messerly said. "It just seemed like he was suddenly gone."