The girl, who is 15 to 17 years old, was inside a building in the 4100-block of South Ellis Avenue in Bronzeville just before 3:15 a.m., when she was shot, police said.
She was shot near her eye, according to police.
The girl was taken to Comer Children's Hospital in fair condition, police said.
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CPD said the shooting occurred because of an accidental discharge.
A weapon was recovered on the scene, and Area One detectives are investigating.
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