Speaking after retaining her Glasgow Southside seat in the Holyrood election, SNP leader Nicola Sturgeon said: "At this stage I am extremely happy that the SNP appears to be on course for a fourth consecutive election victory and to be on course to have the privilege of forming a government again." Report by Thomasl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn