CHICAGO (STMW) - A man was fatally shot Tuesday night on the South Side, police said.

The 22-year-old man was found unresponsive about 6:30 p.m. in the 5500 block of South Princeton Avenue, police said.

Witnesses told police a group of males walked into a gangway, then shots were heard, police said. The group then got into a van that fled southbound.

The Cook County Medical Examiner's office has not been notified of the death as of 8:30 p.m.

Wentworth Area detectives are investigating, but nobody is in custody Tuesday night.

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