A train guard was violently attacked in a "disturbance" at Preston train station, say police.
Police were called to the station at around 9pm on Saturday, July 7 following reports that a train guard had been headbutted and put into a headlock before being dragged from a train.
British Transport Police attended and say they were forced to use pepper spray to subdue one man after the incident escalated.
A spokesman for British Transport Police said: "Officers were called to Preston station following reports of two men causing a disturbance.
"Police attended and two 28-year-old-men (one from Manchester, the other of no fixed address) were arrested on suspicion of railway trespass and a public order offence.
"They were each released under police investigation whilst enquiries continue."
Any witnesses are asked to contact BTP by sending a text to 61016 or by calling 0800 40 50 40 quoting reference 698 of July 7, 2018.