CHICAGO (WLS) — The Civilian Office of Police Accountability is investigating shots fired by police officers on the West Side Thursday morning.

COPA said the incident took place in the 200-block of South Cicero Avenue.

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Illinois State Police said troopers located a vehicle that may have been connected to a robbery in Chicago and pursued the vehicle.

The vehicle stopped near Cicero and Monroe avenues when the suspects got out and fled on foot, with all suspects taken into custody by Chicago police, ISP said.

ISP said shots were fired at troopers and Chicago police officers and no officers were injured.

Three suspects were taken into custody, ISP said. One of the suspects was transported to a hospital for observation.

This comes as Chicago police were investigating an armed robbery in the Gage Park neighborhood.

Three men were working outside at about 2:45 a.m. in the 2800-block of West 59th Street when Chicago police said two suspects armed with handguns robbed the men.

The suspects then returned to a waiting vehicle and fled the scene.

Chicago police have not officially connected the armed robbery to the chase and shooting investigating.