EL DORADO COUNTY (CBS13) — The El Dorado County Sheriff’s office is looking for three men who went into the water in a remote area Thursday afternoon.

Deputies say the incident happened at Happy Valley Road Cutoff Road and Mt. Aukum Road.

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Fire crews and CHP copter are all assisting in this operation. Deputies are searching in Camp Creek, which is part of the Cosumnes River system.

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A witness told CBS13 two of the missing people were trying to save a person who went into the water.

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As of 9 p.m. Thursday, the sheriff’s office said the three men are still missing.