British Transport Police investigating a sexual assault on-board a train travelling between Port Talbot and Swansea are appealing for witnesses.
The incident took place at around 6.15pm on Tuesday 8 December.
Officers would like to speak to anyone who was on-board the service that may have witnessed the incident or anyone with information which could assist their investigation.
You can text 61016 or call 0800 40 50 40 quoting reference 2000137415. Alternatively, you can call Crimestoppers anonymously on 0800 555 111.