An expressway police chase ended in a shooting involving Chicago police Thursday morning in the Austin neighborhood.

The Civilian Office of Police Accountability is investigating a shooting involving police Thursday morning in Chicago's Austin neighborhood. COPA said they're investigating the incident near the 200 block of South Cicero Avenue. Illinois State Police said troopers pursued the suspect's Dodge Charger on the interstate and back to city streets.

The officers, who were responding to a call, were driving in the 4800 block of West North Avenue around 9:30 p.m. when they were struck by a gray minivan turning onto Cicero Avenue, police said.

Four people, including two Chicago police officers, were injured after a crash on the West Side Wednesday night, police said.

A crash involving two Chicago police cars and three other vehicles left several people injured Tuesday night on the city's West Side.

An armed robbery that led to a police pursuit early Thursday morning has now launched an investigation with the Civilian Office of Police Accountability — after a responding officer's gun went off. It appears what started the chain of events was an armed robbery in Gage Park in the early morning hours.

An expressway police chase ended with a Chicago police officer accidentally firing their gun while arresting three suspects Thursday morning in the Austin neighborhood.

The Civilian Office of Police Accountability is investigating after an officer's gun accidentally discharged during an arrest Thursday morning on the city's West Side. The incident happened around 3 a.