The shooting happened near 7000 West Archer Avenue, Chicago Fire Department officials said.
One man was pronounced dead at the scene, fire officials said. Two men were taken to hospitals, but their conditions were unknown.
The shooting involved a security guard and two suspects, with one of the suspects being killed, 13th Ward Ald. Marty Quinn told ABC7.
Chicago police said the two suspects, ages 27 and 31, approached a 28-year-old CCL holder who was a business employee, and then there was an exchange of gunfire following a verbal argument.
The CCL holder was critically wounded in the shooting and taken to a hospital, Chicago police said. The suspects were also taken to hospitals. The 27-year-old man was pronounced dead, and the 31-year-old man was listed in fair condition.
Chicago police continue to investigate.
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