Officers responded to a call of shots fired about 2:50 p.m. in an alley in the 500 block of West 88th Street, according to Chicago police.
A male suspect was observed firing shots with a handgun. When police began to pursue the male suspect, he fired shots in the officers direction, police said.
The suspect was able to escape but a separate male subject was taken into custody, according to police.
There were no injuries reported and police continue to investigate.