Man stabbed to death in South Loop

A man who was stabbed to death Wednesday night in the South Loop has been identified.

Ronald Thomas, 27, was stabbed in the chest during an argument with his 29-year-old wife or girlfriend at 8:40 p.m. in his apartment in the 2100 block of South Michigan Avenue, according to Chicago Police and the Cook County medical examiner’s office.

He was taken to Northwestern Memorial Hospital, where he was later pronounced dead, authorities said. An autopsy Thursday ruled his death a homicide.

Police said the stabbing was domestic-related. The woman is in custody and charges are pending.