SACRAMENTO (CBS13) — Crews battled a two-alarm structure fire on the 1800 block of C Street in Downtown Sacramento Monday night.

Sacramento Fire Captain Keith Wade confirmed the four-alarm fire was at Blue Diamond Growers on C Street.

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Capt. Wade said the fire is burning on the upper floors, possibly related to the factory and not the business offices.

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So far, only minor injuries have been reported. It is unclear if anyone has been transported to the hospital.

The fire broke out around 9:30 p.m. Monday.

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This is a developing story. Check back for details.