By Molly Magennis
Police are appealing for public assistance after a man performed an explicit sexual act on a train at Williamstown Railway Station last month.
Police have been told the man boarded the Werribee line inbound train at Williamstown Railway Station on February 18 at 2.30pm.
The man sat opposite a 23-year-old woman where he performed a sexual act before getting off the the train at Yarraville Railway Station.
Police have released images of a man they believe may be able to assist with their inquiries, who is perceived to be Caucasian with a solid build, short dark brown hair and a dragon tattoo on his left ankle.
He was wearing a dark green hooded jumper, black and white shorts, grey sneakers and was carrying a grey backpack and blue beach chair.
Anyone who recognises the man or has information regarding the incident is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au