The shooting happened in the 100 block of North Mayfield Avenue in South Austin.
CFD initially said four people were shot, with three of the gunshot victims in critical condition and one in good condition.
Chicago police later said two women, ages 36 and 44, who were in a verbal fight were shot by a 34-year-old man, and the women were taken to a hospital in good condition.
A 34-year-old man was taken into custody, CPD said.
No further information about the shooting was immediately available.
This is a developing story.