Jim Murphy, Ruth Davidson, Willie Rennie and Nicola Sturgeon
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Election 2015: Last day of campaigning before polls open

Scotland's politicians are on their final day of campaigning in the general election.

The SNP are arguing they can give Scotland a strong voice at Westminster, Scottish Labour say a vote for the SNP would only help the Conservatives.

The Scottish Liberal Democrats say they offer "the centre ground" on the economy and the Scottish Conservatives say they will preserve the union.

BBC Scotland's political editor Brian Taylor reports.