Updated

A woman and a child are dead, another child has been rescued and a third is missing after a car plunged into the California Aqueduct in the high desert city of Hesperia.

San Bernardino County sheriff's spokeswoman Cindy Bachman says a dive team is preparing to re-enter the aqueduct Friday morning to search for the missing child who is about 2 years old.

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A child was rescued almost immediately after the accident Thursday night.

Bachman says the boy about age 8 was found clinging to what was described as a float in the waterway.

The sheriff's coroner's division says paramedics pronounced 31-year-old Christina Eileen Estrada dead at the scene. Her 3-year-old son Jeremiah Robert Abbott was pronounced dead at a hospital.

The cause of the single-vehicle crash is under investigation.