CHICAGO (CBS) — A man was shot Friday night at a CTA Green Line station, temporarily stopping train service.

The shooting happened at the Ashland/Lake Street station, on the near West Side.

Police say shots were fired when the 30-year-old victim got into an augment with two other men.

The victim was hit in the shoulder and transported to an area-hospital in serious condition.

Two men are in custody.

Further details were not immediately available.

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