Full Video: NASCAR Driver Tony Stewart Hits Kevin Ward Jr at Canadaigua Motorsports Park

Authorities are now investigating a serious crash that killed a driver at a New York dirt track where Tony Stewart was racing on the eve of a Nascar race. In the video below, NASCAR driver Tony Stewart hit fellow driver and racer Kevin Ward Jr at Canandaigua Motorsports Park, ultimately killing him.

VIDEO: Note this video may be graphic to someone. Discretion advised.

Stewart is a very successful 43-year-old NASCAR driver and was supposed to participate in a race at Watkins Glen on ESPN the following day at noon.

A hospital spokeswoman said Ward was hospitalized with “life-threatening injuries” following a “serious accident.” They later confirmed Ward died. Police were speaking to his parents as of early Sunday morning.

Racing was canceled as police took over to investigate.

Update video: Ontario County Sheriff Philip Povero Gives Press Conference on Tony Stewart Incident