British Transport Police have appealed for witnesses after a man was assaulted by four men on a late-night train.
The assault on the 31-year-old from Greenock took place at about 00:20 on the 23:50 Glasgow to Gourock service on Saturday.
The victim intervened when four men appeared to be annoying a woman about to get off the train.
He was punched and kicked, and had to receive treatment for facial injuries at Inverclyde Hospital.
His partner, a 29-year-old woman, was pushed during the incident.
The four men left the train at Bishopton. Two are described as being about 25 years old, while one was slim and wearing a t-shirt, black shorts and white trainers.
Another was described as tanned and wearing a black t-shirt.
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