iStockPolice are appealing for information after a woman was sexually assaulted on a train.
The incident happened as the woman travelled between Port Glasgow, Inverclyde, and Glasgow Central on Saturday March 11.
The woman was approached by a man who began speaking to her inappropriately before sexually assaulting her.
The attacker is described as black, about 6ft tall, of medium build with short, black hair and a full beard.
He was wearing a green jacket and carrying a rucksack.
The attack took place on the 1.53pm service from Port Glasgow and the assailant left the train at Glasgow Central.
The train was busy at the time and detectives are appealing for anyone who witnessed what happened, or has any information, to come forward.
Witnesses are asked to contact British Transport Police by calling 0800 40 50 40 or by texting 61016 – with reference 2300034876.
Information can also be given anonymously to Crimestoppers on 0800 555 111.
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