About 33 spectators were injured at the Daytona Nationwide on Saturday when a car crash sent debris flying into the stands.
Regan Smith was leading the pack at the race when his car was turned sideways resulting a multi-car pile up.
Tony Stewart managed to avoid the crashing cars and eke out the win. About 10 cars were involved in the pile-up.
Deadspin has video of the crash.
About 14 injured went to the hospital. Conditions have not been released.
The primary sponsor for Regan Smith’s No. 7 Chevrolet is the American Coalition for Clean Coal Electricity.
Coal lobby groups have formed an alliance with automotive racing.
NASCAR writer Jeff Gluck at USA TODAY lived tweeted the crash.
Updated: Story was updated at 10:30 p.m. with new information about injuries