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Drivers had voiced concern about the high speeds being reached at Las Vegas

English driver Dan Wheldon was seriously hurt in a massive 15-car crash that sent his and several other cars airborne early in the Las Vegas 300 IndyCar series finale on Sunday

Indy 500 winner Wheldon dies in massive wreck

Indianapolis 500 winner Dan Wheldon died Sunday at Las Vegas Motor Speedway after his car became ensnarled in a fiery 15-car pileup on Lap 13, flew over another vehicle and landed in a catch fence just outside turn 2.

The 33-year-old racer was a two-time Indianapolis 500 winner, including this year's race. (AP)