POMONA (CBSLA.com) — A large pile of plastic at a recycling plant in Pomona went up in flames on Saturday evening.

The two-alarm fire was reported just after 9 p.m. in the 1400 block of East First Street, said Los Angeles County Fire Department Dispatch Supervisor Robert Diaz.

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About 80 firefighters were dispatched to the recycling plant, where they spent about 90 minutes extinguishing the blaze.

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The cause of the fire remains unknown.

No injuries were reported.

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