SANTA ANA (CBSLA.com) — Homicide detectives are investigating a shooting in Santa Ana that left a 21-year-old in critical condition Sunday.

Officers were dispatched shortly after 2 a.m. to the area of 2300 West Harvard after a female caller advised her boyfriend had been shot, according to Santa Ana police.

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Officers arrived to find the male victim seated in a vehicle suffering from an apparent gunshot wound, police said.

The man was transported to an area hospital in critical condition.

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Homicide detectives were called to the scene based on his injuries and circumstances surrounding the investigation, according to police.

A preliminary investigation revealed two suspects in a white Honda Civic two-door fired at the victim and his girlfriend as they were traveling in the victim’s vehicle, police said.

The suspect vehicle fled the area and had not been located.

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Anyone with information about the incident is asked to call SAPD Homicide detectives at (714) 245-8390 or Orange County Crime Stoppers at 1-855-TIP-OCCS.