Parties eye up key battlegrounds

Professor David Denver of Lancaster University says a number constituencies should be key battlegrounds.

Dumfries and Galloway will be a top target for the Conservatives and Dundee East is expected to be a close fight between Labour and the SNP.

A three-way marginal involving Labour, the SNP and the Lib Dems appears to have emerged in Inverness, Nairn, Badenoch and Strathspey.

Prof Denver said: "The boundary changes may cause some voter confusion."