Officers investigating an incident where a man-made threatening gestures towards passengers with a weapon are today releasing this CCTV image in connection.
At around 9.30pm on 15 May on a train at Chester Road railway station, a man pulled out a weapon and made threatening gestures down the carriage aisle towards passengers.
Officers would like to speak to the man in the image as they believe he may have information which could help with their investigation.
Anyone who recognises him is asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 2400062260.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.