The shooting occurred inside an apartment building near 24th and Troy Street Saturday at around 1 p.m.
It marks the seventh child shot in the city since Friday.
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Boy, 11, shot by 7-year-old sister in North Lawndale: police
Police said a 14-year-old girl was shot in the face by a 15-year-old boy.
Neighbors said the girl's boyfriend was handling a gun when it went off and hit her in the face. She was transported to Stroger Hospital in fair condition, police said.
Neighbors said they heard two gun shots.
At this time, police say the shooting was accidental, but it remains under investigation.
It also marks the fourth juvenile hit by accidental gunfire in the city since Friday night.