Police release an image as part of an investigation into a sexual assault on a train in London. According to reports, the incident occurs on 29 June, when a woman is travelling on a service between London Victoria and Tulse Hill. The attack is reported to have taken place at about 5.50pm. Police say they are appealing for information and ask the public to come forward if they recognize the person shown in the released image or have any relevant details. The reports indicate that officers are working to identify those involved and establish the circumstances of the assault. Authorities encourage anyone with information to contact police through the appropriate channels. The investigation remains ongoing, and police do not provide further details on the nature of the assault beyond stating that it is a sexual assault. The released image is intended to help identify a suspect and gather witnesses or other information that could assist the case.