Breaking News:

RENO, Nev. — An airplane has crashed near the grandstand at the National Championship Air Races near Reno, Nev.

It wasn't immediately known if there were deaths or injuries. KRNV-TV aired videotape of the scene that showed at least four people being carried on stretchers to ambulances.

It wasn't clear what kind of airplane was involved.

Jeff Martinez, a KRNV weatherman, was just outside the air race grounds at the time of the crash. He says he saw a plane veer to the right and then "it just augered straight into the ground."

He says he saw "pieces and parts going everywhere."

The National Championship Air Races draws thousands of people every year in September to watch various military and civilian planes race.