Line Of Duty star Martin Compston has joined forces with Scotland's First Minister to warn of the "significant threat" Nigel Farage's Reform UK poses in the upcoming Holyrood election.The actor on Friday joined SNP leader John Swinney on the campaign trail in Greenock, Inverclyde - the home of both Compston and Lord Malcolm Offord, the leader of Reform UK Scotland.

Line Of Duty star Martin Compston has joined forces with Scotland's First Minister to warn of the "significant threat" Nigel Farage's Reform UK poses in the upcoming Holyrood election.The actor on Friday joined SNP leader John Swinney on the campaign trail in Greenock, Inverclyde - the home of both Compston and Lord Malcolm Offord, the leader of Reform UK Scotland.