Man shot by unknown person in Washington Heights alley, Chicago police say

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CHICAGO - An 18-year-old man was shot Wednesday night in an alley on Chicago's South Side.
Around 6:50 p.m., police say the male victim was in the alley in the 800 block of W. 101st Street when an unknown offender approached, pulled out a gun and fired shots.
The victim was struck to the left arm and transported to Christ Hospital in good condition, police said.
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Nobody was reported in custody.
The investigation is ongoing.