Police have charged a man with assault after an alleged fare-dodger was removed from a train by a passenger.
Mobile phone recordings by a passenger on board the Edinburgh to Perth train on 9 December have been viewed by almost two million people on You Tube.
It shows a man - since dubbed 'Big Man' - throwing a teenager off a train after he argued with a ticket inspector.
British Transport Police said a 35-year-old man from Stirling had been charged with assault.
The man is understood to be Alan Pollock.
Meanwhile the student accused of fare dodging, 19-year-old Sam Main from Falkirk, has also been reported to the procurator fiscal service, which decides whether to prosecute alleged crimes in Scotland.
He has been reported under Section 38 of the Criminal Justice and Licensing Act Scotland, and in connection with an allegation of trespass.
The You Tube video shows a passenger speaking to a conductor over an alleged unpaid fare.
He is then removed from the train by another passenger at Linlithgow.