CHICAGO — Surveillance photos released by police show a man wanted for aggravated battery following a shooting incident onboard a CTA Red Line train.

SEE ALSO | CPD searching for suspects they say attacked 3 people on the CTA Red Line

On Sept. 7, around 6:45 p.m., a male suspect fired a handgun toward a 31-year-old man during an argument onboard a train in the 100 block of W. Cermak Road, police said.

Read more: Latest Chicago news headlines

The male victim suffered a gunshot wound to the neck.

Anyone with information can reach CPD at (312) 746-6000 or may leave an anonymous tip at cpdtip.com.