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 on Sunday, Oct. 16, 2011. Dan Wheldon was killed in the crash. (AP Photo/Las Vegas Review-Journal, Jessica Ebelhar)
Read the article: Indy 500 winner Wheldon, 33, killed in race
Read the article: 'Non-survivable injury': IndyCar concludes Wheldon killed when head hit Las Vegas track fencing poll
