Man arrested after stabbing in Wrigleyville

A man is under arrest after allegedly jumping out of a bathroom stall at a Wrigleyville bar and stabbing a man in the neck early this morning.
At 12:26 a.m., officers were called to the Red Ivy sports bar at 3525 N. Clark St., where the victim told officers a man jumped out of a bathroom stall and attacked him with a broken beer bottle, cutting him in the neck.
The victim also suffered cuts on his chin, hands and neck while pushing the assailant away. At some point, another man entered the bathroom and helped hold the attacker until police got there.
The victim was taken to Advocate Illinois Masonic Medical Center, where he was treated and released.
No charges have been filed yet against the alleged assailant, a 23-year-old Uptown neighborhood man who refused to wear his pants and yelled obscenities while being processed at a police station. Also, while being processed, the man defecated into his hands and threw the matter onto the floor of the station
Gregg Greaves, 23, of the 4700 block of North Beacon Street, was charged with aggravated battery causing great bodily harm