WALNUT PARK (CBSLA.com) — Authorities are searching for a suspect who fired at them in Walnut Park Monday night.

San Bernardino County sheriff’s deputies were on a surveillance operation at a residence in the 2900 block of Flower Street around 9 p.m. when one shot was fired, Sky9’s Kevin Takumi reported.

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A law enforcement official said the gunfire came from the surrounding area, and not the address under surveillance.

With the assistance of the Los Angeles County Sheriff’s Department, authorities set up a large perimeter, which is Florence to the north, Mountain View to the west, State Street to the east and Santa Ana Street to the south.

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No deputies were injured.

No more information was immediately available.

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