CHICAGO — A 16-year-old boy was shot in the ear and eye while riding the CTA Red Line early Sunday morning.

Chicago police reported the boy hearing multiple shots at the 100 block of West Cermak Road around 2:05 a.m. and was unable to provide further details.

He was transported to Stroger Hospital in serious condition. Police said there was a possible description of the man responsible for the shooting provided by a witness. Police officers located a man matching the description and recovered a handgun.

The man was placed into custody but police later said he was released.

On Sunday evening, Chicago police released a picture of a person they are seeking to locate in connection with the incident.

Anyone with information is asked to call Area One detectives at 312-747-8380.