NASCAR Sprint Cup champ Tony Stewart leaves in ambulance after four-car wreck

Stewart placed fourth in the Brickyard 400 at Indianapolis on July 28. (Jared C. Tilton/Getty Images)

Tony Stewart, a three-time NASCAR Sprint Cup champion, was involved in a four-car wreck during the Front Row Challenge at Southern Iowa Speedway on Monday night. He was placed on a stretcher and left the track in an ambulance, but according to USA Today, he was conscious and responding.

Stewart's camp announced on Tuesday that the 42-year-old had broken his right tibia and fibula and underwent surgery at the hospital.

Along with Stewart, the crash also involved Josh Higday, Tasker Phillips and Tony Shilling.

From USA Today:

Stewart was leading the 30-lap feature of the Front Row Challenge with five laps remaining when Josh Higday's car spun on Turn 4 and collected the top three cars — Stewart, Tasker Phillips and Tony Shilling. Track officials said Stewart was conscious and talking to responders after being placed on a stretcher. Track officials and several drivers indicated that Stewart suffered a leg injury. A pit crew member declined to comment.