Chicago, Illinois, police witnessed a double shooting on Saturday night in the Southside neighborhood of Englewood before firing back at the suspects, according to reports.

Fox station WFLD in Chicago reported that officers were in a marked vehicle just after 7 p.m. when they witnessed a Toyota Corolla pull up to a Nissan Rogue on South Halsted Street.

Inside the Toyota were three people, one of whom got out of the vehicle and began shooting at the Nissan.

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Both a 54-year-old man and a 17-year-old boy were inside the Nissan, and both were struck by gunfire.

The two victims were taken to the University of Chicago Medical Center and treated for gunshot wounds, WFLD reported, though their condition was unknown.

One of the officers who witnessed the shooting fired at the suspects before they fled the scene.

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The vehicle the suspects were in was located in the 7th District and recovered, though none of the suspects were inside.

WFLD said the Civilian Office of Police Accountability is investigating the specifics of the incident, which includes the use of force by the officer.

As the investigation continues, the officers who witnessed the shooting have been placed on administrative duties for the next 30 days.

The investigation into the incident is ongoing.