Stewart 's front right tire blows at a NASCAR race in Atlanta . It was his first accident since his car hit and killed Kevin Ward Jr. on August 9 . ` ` This has been one of the toughest tragedies I ' ve ever had to deal with , '' Stewart said . ' I won the race at Atlanta Motor Speedway on Sunday .
Stewart 's front right tire blows at a NASCAR race in Atlanta . It was his first race since his car struck and killed Kevin Ward Jr. on August 9 . `` This has been one of the toughest tragedies I 've ever had to deal with , '' Stewart said . Kasey Kahne won the race at Atlanta Motor Speedway on Sunday .