A teenager was assaulted by an unknown thug on board a train while another man filmed the attack.

The victim boarded the train at Singer railway station before being approached by two unknown men during the journey.

One man repeatedly punched and kicked him while the other man filmed the assault.

The two men then ran off the train at Dumbarton railway station. 

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British Transport Police are appealing for witnesses to the incident which occurred on board a train travelling between Airdrie and Balloch at around 3.30pm on Wednesday, October 6.

They are especially keen to hear from two women who comforted the victim immediately after the attack.

Witnesses, or anyone with information, can contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 432 of October 6, 2021. 

Alternatively, you can call Crimestoppers anonymously on 0800 555 111.