At least 33 people were injured, including two critically, after debris flew into the grandstands after a 12-car crash on the final lap of NASCAR's DRIVE4COPD 300 Nationwide race at Dayton International Speedway, USA Today reports.
Kyle Larson's car went airborne into the frontstretch catch fencing, slicing off the front half of the car and leaving large pieces of the vehicle inside the fencing. At least one tire from Larson's car flew into the stands.
Driver Michael Annett was taken to a local hospital after his car slammed head on into the SAFER barrier. Tony Stewart ended up winning the race, and Sam Hornish, Jr. finished second.
A Daytona Beach Police spokesman said 17 fans were injured, with two suffering "major injuries." Eleven were sent to Halifax Medical Center where one adult is in surgery with life-threatening head trauma, and a 14-year-old is in critical, but not life threatening condition.
NASCAR senior vice president of racing information Steve O'Donnell and DIS president Joie Chitwood made a statement at 7 p.m. but provided no further details on the fans' condition.