British Transport Police have released CCTV images of a man they want to identify and speak to after reports of indecent exposure on a train between Trowbridge and Westbury railway stations.

The incident is alleged to have taken place shortly after 7pm on Thursday, July 31, on a Portsmouth Harbour-bound service as it travelled between Trowbridge and Westbury.

PC Paul Stanley, of BTP, said: “Investigations are ongoing and, at this stage, we would like to identify and speak to the man in these photographs as we believe he will have key information which can help our enquiries.”

If you have information which you believe can assist the investigation in any way, ring British Transport Police on Freefone 0800 40 50 40 or call the independent charity Crimestoppers, where information can be left anonymously, on 0800 555 111.

In all calls, please quote incident reference GSUB/B8 of 01/09/14.