Greenock Morton have launched a probe after a refereeing assistant was struck by a coin during their friendly against St Johnstone.

The Ton welcomed Saints to Cappielow in midweek but the clash was marred by the coin incident.

Now a spokesperson for the Championship club has confirmed police have been contacted.

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A statement on the website said: "During Tuesday’s friendly game V St Johnstone, the far side assistant was struck by a coin thrown from the Cowshed. ​

"Thankfully he was not seriously injured. The incident has been reported to Police Scotland, and jointly we are working to identify the individual from CCTV imagery.

"The Club will co-operate fully with Police Scotland in ensuring the strongest action available to us is taken against this individual.

"This type of behaviour is totally unacceptable and brings the Club and our loyal support into disrepute.

"We will make a further statement once due process is exhausted."