SANTA ANA (CBS) — A 57-year-old man was found dead in a Santa Ana riverbed, according to officials.

Dennis Dougherty was found dead at 7:32 a.m. Sunday in the riverbed near Harbor Boulevard and Warner Avenue, according to the Orange County coroner’s office.

An autopsy was expected to be conducted this week to determine the man’s exact cause of death, coroner’s officials said.

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