A person was arrested overnight after a 39-year-old man was critically wounded in the Grand Crossing neighborhood, Chicago police said.
Officers responded to a call of someone shot around midnight in the 6600 block of South Stewart Avenue. The victim was involved in an argument that turned into a fight when a firearm was pulled and he was shot, police said.
The victim suffered a gunshot wound to the chest and he was taken to UChicago Medicine where he was listed in critical condition, police said. The gunman was taken into police custody.
Charges were pending while detectives investigate, police said.