CHICAGO (CBS) — Chicago police released new photos of people involved in an attack at robbery at the State and Roosevelt CTA station.

Detectives believed late Saturday night one of the men hit the victim from behind.

When he fell they took his stuff.

Police said a woman also sprayed another victim with mace during the attack.

Anyone with information about the incident is asked to call Area Central detectives at (312)747-8380.

Anonymous tips can also be submitted to CPDTIP.com.