"When you think you've seen it all, and then you see that. It's just never-ending," said runner-up Brad Keselowski. "We've seen wires, we've seen jet dryers, I don't even know what to expect for the (Daytona) 500. It seems we always find the weirdest stuff for the 500. I just hope nobody was hurt, it didn't look like they were, but that was an interesting one there.
"I couldn't exactly tell what happened," he said. "I just saw the whole back half of the car was on fire. I thought it was a race car. Someone said it was the pace car and I couldn't help but start laughing."
Third-place finisher Kyle Busch was catching up to the field when the incident occurred, so did not see it all unfold.
"I saw the aftermath where two guys were getting out of (the pace car)," he said. "It seemed like they were running for their lives, afraid of a little fire. Maybe they need firesuits now."
As expected, the NASCAR Twittersphere was quick to react.