Ex-finance secretary quits SNP after suspension

Mackay resigned from his post last year over messages he sent to a teenage boy

Derek Mackay has resigned from the SNP following the text scandal 

Scotland’s former finance secretary has resigned from the SNP after he was suspended from the party over messages he sent to a teenage boy.

Derek Mackay resigned as finance secretary hours before he was due to deliver the Scottish budget on February 6 last year following reports he sent hundreds of messages to a 16-year-old boy on social media.