CPD said a 25-year-old man walked into Midway #2 Food and Liquor, in the 1300-block of East 67th Street, just after 12:15 p.m. and began to argue with a 41-year-old security guard inside.
The guard asked the man to leave, and the security guard was shot in the thigh, according to CPD.
The man and guard started fighting over the gun, and the suspect was shot in the thigh, as well, CPD said.
Both were taken to University of Chicago Medical Center in fair condition, and a weapon was recovered from the scene, according to CPD.
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The suspect was taken into custody, and charges are pending.
Area detectives are investigating.
The store was surrounded by yellow tape after the incident.
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