A general election was held in the United Kingdom on 7 May 2015 and all 59 seats in Scotland were contested under the first-past-the-post, single-member district electoral system. Unlike the 2010 general election, where no seats changed party, the Scottish National Party (SNP) won all but three seats in Scotland in an unprecedented landslide victory, gaining a total of 56 seats and taking the largest share of the Scottish vote in sixty years, at approximately 50 per cent. The Labour Party suffered its worst ever election defeat in Scotland, losing 40 of the 41 seats it was defending, including the seats of Scottish Labour leader Jim Murphy and the then Shadow Foreign Secretary Douglas Alexander. The Liberal Democrats lost ten of the eleven seats they were defending, with the then Chief Sec