CHICAGO (AP) — Two people were killed and four Chicago police officers injured when a chase originating in a suburb ended in a crash.

Chicago police spokesman Anthony Guglielmi said several suspects robbed the manager of a Tinley Park fast-food restaurant of an undetermined amount of cash as the woman was headed to a bank to deposit funds.

The chase began when Illinois State Police spotted the suspect vehicle on Interstate 57. Guglielmi says Chicago police later joined the chase. The suspect car collided with a police vehicle after exiting the expressway.

Guglielmi said four officers in the vehicle involved in the crash suffered non-life threatening injuries.

One suspect was pronounced dead at Northwestern Memorial Hospital, the other at Stroger Hospital. Police say two suspects, who were also injured, are in custody.

The suspects haven’t been identified.