An amateur football match in Renfrew was abandoned after the referee head-butted a supporter.
The shocking incident took place during the tie between Paisley side Stanley Athletic and Port Glasgow United at King George V playing fields at the weekend.
Footage posted online by charity Refereesupportuk show the referee charge a young man standing on the side of the pitch after words were exchanged, before fellow spectators pulled the referee away as trouble flared.
Stanley Athletic revealed on Twitter that the match had been called off due to the incident, the Daily Record reports.
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In a post, which has since been deleted, they wrote: "Stanley Athletic 6-2 Port Glasgow United. Match abandoned in 92nd minute.
"We (just about) made it three wins in a row this morning as we were on our way to a big win over Port Glasgow, before the match was abandoned in the 92nd minute."
Police Scotland confirmed they are looking into the incident.
A Police Scotland spokesperson said: "Officers have received a report of an assault on a 21-year-old man around 12pm on Saturday, 26 February, at King George V playing fields, Renfrew. Enquiries are ongoing."
