A pervert "addicted to masturbation" and who has a mannequin fetish performed a sex act in front of a group of horrified train passengers - including a schoolgirl.
The child snapped a photo on her phone to show the train manager.
Mark Williams, formerly known as and convicted under the name Osian Winters, claimed that he was not performing a sex act on himself but was using a sex toy he found in a pub, North Wales Live reports.
