A man has been charged with assault and a V/Line train conductor has been stood down pending an investigation after violent scenes at a Victorian train station.The 46-year-old Croydon man allegedly assaulted a woman on a train at Broadford railway station on Saturday and when the conductor confronted him a fight spilled onto the platform. In a video uploaded on Facebook, the uniformed conductor can be seen punching and kicking the man.The passenger is accused of assaulting a female passenger prior to the incident, and then spitting on the intervening conductor, before telling him that he was going to hunt him down and bomb his house.V/Line has stood down the conductor while the matter is investigated.[video credit: MOK / licensing@viralhog.com]