European citizens hold leaflets with the word 'Yes' written in different languages during a photocall with Scottish First Minister Alex Salmond and European citizens to celebrate European citizenship and Scotland's continued EU membership with a Yes vote, during a photocall in Edinburgh, Scotland, on September 9, 2014, ahead of the referendum on Scotland's independence. British Prime Minister David Cameron and opposition leader Ed Miliband said in a joint statement they would travel to Scotland on Wednesday as polls show those for and against independence evenly split ahead of next week's referendum. AFP PHOTO / LESLEY MARTIN (Photo credit should read LESLEY MARTIN/AFP/Getty Images)
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