http://tsn.ca/auto_racing/story/?id=378250

LAS VEGAS -- Race car drivers always know the worst can happen whenever they get behind the wheel.

On Sunday, it happened to one of IndyCar's biggest and most popular stars.

Two-time Indianapolis 500 winner Dan Wheldon died after his car became ensnared in a fiery 15-car pileup, flew over another vehicle and hit the catch fence just outside turn 2 in a season-ending race at Las Vegas Motor Speedway.

"Things happen in this kind of racing," said Wade Cunningham, also caught up in the wreck. "It's so close. Not much room for error. I was near the front of what caused all this, so I'm not thrilled about it. At this point, whose fault it was is kind of immaterial."

The green flag had barely stopped waving when disaster struck....