A 57-year-old man was sitting in a the church at 8:09 p.m. in the 4400 block of West Maypole when a 27-year-old man walked in and announced a robbery, according to Chicago Police.
Maypole Avenue Church of Christ is located at 4400 W. Maypole.
The two men then started shooting at each other, police said. The older man was struck in the left arm and taken to Mount Sinai Hospital in good condition. The robber was shot multiple times in the chest and was in critical condition at Stroger Hospital.
The 57-year-old legally owned his gun, police said.