Just a handful of laps into today's Las Vegas Indy 300, 15 of 34 cars that started the race were involved in a horrific crash that left driver Dan Wheldon seriously injured and airlifted to a hospital. ESPN reported that driver Will Power was also taken to a hospital because of "lower back pain." At least two cars were airborne.

UPDATE: Wheldon died in the crash. Wheldon, who was 33, leaves behind a wife and two young sons.

According to the Associated Press, IndyCar drivers had expressed concern about the track's high speeds before the race.

Wheldon hurt in huge crash at Vegas [AP, via ESPN]