Two men suffered minor cuts from a knife during an argument near the intersection of Jackson and Columbus drives about 11:20 p.m. Saturday, police said.
The two were at the Lollapalooza music festival and had been arguing when a 29-year-old cut a 28-year-old with a knife. The 29-year-old, described by police as the "offender," cut himself during the fight.
Police said neither man wants to press charges.
Both men suffered what police said was a "minor laceration" and were taken to Northwestern Memorial Hospital, where they were listed in good firstname.lastname@example.org