A CCTV images has been released by police as they try and trace a man who assaulted a ticket inspector on the Metro system.
Officers would like to speak to the man pictured as part of their inquiry.
The incident happened at around 5pm on Wednesday, March 30, when a ticket inspector at St James' Metro station was assaulted after an altercation with an unknown male.
Officers attended but the offender had fled the scene.
The man pictured was in the area at the time and might be able to help police with inquiries.
The man, or anyone who may know his identity, should contact police on 101 quoting reference 724 30/03/16.