The Scottish National Party is at the centre of a criminal fraud probe amid claims cash donated to a £600,000 fundraising drive has gone missing.
Police Scotland said the investigation focused on seven complaints about donations and had been launched after consultation with prosecutors.
Detectives are looking at allegations that cash which was earmarked for campaigning for a second independence referendum has been diverted elsewhere.
The Tories voiced concern over the increasingly murky affair which could see officers interviewing senior figures in the SNP.
First Minister Nicola Sturgeon s husband Peter Murrell is chief executive of the party.
The probe follows a series of resignations from the SNP s ruling body in a row over the transparency of the party s accounts.
Police Scotland launch fraud probe into SNP fundraising for Indyref2
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Police Scotland launch probe into SNP after seven complaints made about party fundraising
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