Police are asking for help identifying this man at Wakefield Westgate station.
British Transport Police said they believed the man, pictured, might have some information about a bike stolen from the station.
The incident took place on Thursday, June 27, though officers have only now released the image
In a tweet, the team said: "We need help identifying this chap. We think he might be able give us some info about a stolen bike from Wakefield Westgate station."
Anyone with any information is asked to contact British Transport Police by texting 61016, quoting reference number 1900057016.