Oct 16: Drivers take the green flag to begin the IndyCar Series' Las Vegas Indy 300 auto race on in Las Vegas. (AP)
Oct. 16: Drivers, including Dan Wheldon (77, in air at left), crash during a wreck that involved 15 cars during the IndyCar Series' Las Vegas Indy 300 auto race at Las Vegas Motor Speedway in Las Vegas. (AP/Las Vegas Review-Journal)
Oct. 16: Drivers crash during a wreck that involved 15 cars during the IndyCar Series' Las Vegas Indy 300 auto race at Las Vegas Motor Speedway in Las Vegas. Will Power (12), of Australia, is airborne at left. (AP/Las Vegas Review-Journal)
Oct. 16: Drivers crash during a wreck that involved 15 cars during the IndyCar Series' auto race at Las Vegas Motor Speedway in Las Vegas. (AP/Las Vegas Review-Journal)
Oct. 16: Drivers Dan Wheldon, front, and Will Power crash during a wreck that involved 15 cars during the IndyCar Series' auto race at Las Vegas Motor Speedway in Las Vegas. (AP/Las Vegas Review-Journal)
Oct. 16: Drivers Dan Wheldon, front, and Will Power crash during a wreck that involved 15 cars during the IndyCar Series' auto race at Las Vegas Motor Speedway in Las Vegas. (AP/Las Vegas Review-Journal)
Oct. 16: Drivers take five tribute laps in honor of Dan Wheldon, a two-time Indianapolis 500 winner who was killed in a crash in the IndyCar Series' Las Vegas Indy 300 auto race. (AP)
Oct. 16: Drivers take five tribute laps in honor of Dan Wheldon, a two-time Indianapolis 500 winner who was killed in the IndyCar Series' Las Vegas Indy 300 auto race earlier Sunday. (AP)