It took firefighters about 30 minutes to put out flames in a pallet yard in the Historic South-Central area of Los Angeles.
The fire was reported at 2:59 a.m. at 3122 S. Grand Avenue, east of the Harbor (110) Freeway, according to Los Angeles Fire Department spokeswoman Lyndsey Lantz.
The fire was out at 3:37 a.m., Lantz said. No injuries were reported.
Crews were expected to remain at the scene for an extended period of time to put out hot spots, she said.
Traffic was restricted on Grand Avenue between 30th Street and Jefferson Boulevard for several hours, Lantz said.