Nicola Sturgeon, Scotland's longest-serving first minister, was arrested on Sunday as part of an ongoing police probe into the SNP's finances.
Police Scotland said Sturgeon, who stepped down in March, was taken into custody today and was questioned by detectives before being released without charge pending further investigations.
A statement from Police Scotland, released via The Mirror, said: "A 52-year-old woman has today, Sunday, June 11, been arrested as a suspect in connection with the ongoing investigation into the funding and finances of the Scottish National Party."