A man has died after he was punched and suffered a head injury in the River North neighborhood late Wednesday.

The man, 47, was in the 300 block of North Dearborn Street when two men asked him for money around 11:30 p.m., according to Chicago police.

One of the men punched the victim and officers later found him unresponsive on the sidewalk, suffered from a head injury. He was taken to Northwestern Medical Center, where he was pronounced dead, police said.

No one is in custody and detectives are investigating.