LOS ANGELES (CBSLA.com) — New details were released on Sunday about two pedestrians who were struck by a sheriff’s patrol vehicle that was responding to a call.

The incident happened last Thursday in West Hollywood and claimed the life of one of the pedestrians identified by the Los Angeles County Coroner’s office as Jonathan Anthony Pena, 27, of Los Angeles.

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The pedestrian who survived the crash has been identified as Dr. Michael Fong, a cardiologist and faculty member at the University of Southern California.

Officials say the deputy’s patrol car was headed to a call with lights and sirens on around 11 p.m. Thursday when it collided with another vehicle near Santa Monica Boulevard and Palm Avenue.

Moments later, officials say, the patrol car went onto the sidewalk and struck two pedestrians before coming to a stop, but not before striking a light pole and a tree.

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The two deputies and two pedestrians were taken to the hospital. Pena died a short time later.

Fong remains hospitalized, but is expected to survive.

Both deputies were hurt and are listed in stable condition.

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The California Highway Patrol is conducting an independent investigation. The CHP is encouraging anyone who witnessed the crash to come forward with information.