British Transport Police have released an image of a man who may be able to help with their enquiries into an incident on a train bound for Aberdeen .
Officers are appealing for information after an incident occurred at or just beyond Dundee station between 2.30pm and 6pm on Friday, April 25.
The train terminated at Aberdeen , and the man is believed to have alighted at Montrose . Details on the nature of the incident have not been disclosed.
He is described as white in his late 40s or early 50s, slim build and around 5ft7 with long greying-blond hair tied in a ponytail.
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The man was wearing a light grey baseball cap, a dark coloured jacket over a grey jumper, black jeans and