AAA 400 at Dover resumes after rain delay

Getty Images

The AAA 400 Drive for Autism at Dover International Speedway has resumed after a rain delay that lasted more than half an hour.

The race was put under a red flag on Lap 320 of 400.

Clint Bowyer leads the race, followed by Kevin Harvick, Joey Logano, Brad Keselowski and Martin Truex Jr.

Kyle Busch is out of the race after suffering a broken drive shaft.