From the Sun-Times:

A woman was hospitalized Sunday morning after her boyfriend allegedly bit off part of her ear during an argument in the Southwest Side Brighton Park neighborhood.

About 3:40 a.m., police responded to a domestic-related incident in the 4000 block of South Brighton Place, where a man allegedly bit off part of his girlfriend’s ear during a fight, police said.

The woman was taken to John H. Stroger, Jr. Hospital of Cook County in an unknown condition.

According to the report, detectives recovered part of the woman’s ear on the scene.