CHICAGO (STMW) — A man is in custody for allegedly jumping out a bathroom stall and stabbing a man in the neck at a bar early Sunday in the North Side Wrigleyville neighborhood.

Police responded about 12:30 a.m. to the Red Ivy sports bar in the 3500 block of North Clark Street, police said.

The suspect jumped out of a bathroom stall and stabbed a man in the neck with a broken beer bottle, police said. The man was also cut in the chin, hands and neck while fighting off the suspect.

The man was treated and released from Advocate Illinois Masonic Medical Center, police said.

A 23-year-old man is in custody but charges have not been filed yet, police said.

The suspect allegedly refused to wear pants and screamed obscenities at officers, police said. While being processed at the police station, the man defecated into his hands and flung the fecal matter onto the floor.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2012. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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