In-race report: Red flag on lap 66 at Infineon Raceway
The NASCAR Sprint Cup Series race in Sonoma was red flagged on lap 66 after a nasty wreck on a restart.
Marcos Ambrose is in the lead. There are 32 cars on the lead lap.
When the race resumes, Tony Stewart will be in second, followed by Kevin Harvick, Jimmie Johnson and Jeff Gordon.
-- Tim Haddock