Police are appealing for public assistance following an attempted robbery on a train earlier this month. Investigators have been told a 26-year-old man with an electric scooter got on a citybound train at Williams Landing about 10.15pm on 2 January. As the train approached Aircraft train station the victim was approached by a man who attempted to grab the scooter. A short scuffle ensued and the offender hit the victim to the chin but was unsuccessful in stealing the scooter. Detectives have released images of a man that they believe may be able to assist with their investigation.