AD Quality Auto 360p 720p 1080p Top articles1/5READ MOREBasketball roundup: Sierra Canyon, Birmingham set to face off in tournament quarterfinals160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! PALMDALE, Calif. (AP) — A fire set off ammunition in a storage container early Thursday but no one was injured, authorities said. Arson investigators were looking into the cause. Firefighters initially had to remain a safe distance away as the small-arms ammunition exploded, said Capt. Mark Savage of the Los Angeles County Fire Department. The fire began about 4:10 a.m. near the intersection of the Sierra and Pearblossom highways south of Palmdale. It was put out in about 90 minutes.