Tribune photo illustration

Tribune photo illustration (Nancy Stone / Chicago Tribune)

A 17-year-old boy was shot in both legs in a robbery in a Park Manor neighborhood alley on the South Side, police said.

He was wounded about 9:25 p.m. in the 6700 block of South Prairie Avenue.

The boy told police he was robbed of $500 by a man wearing all-black clothing.

Police found two shell casings at the scene.

The boy was taken to John H. Stroger Jr. Hospital of Cook County and was in critical condition, police said.

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