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Cameron message to Scotland 'unrelentingly positive'

15 May 2014 Last updated at 23:06 BST

David Cameron says his message to Scottish voters ahead of the referendum on independence is "unrelentingly positive".

Speaking at an army base in Glasgow, he said keeping the United Kingdom together made sense in economic terms and for security.

But the prime minister faces constant claims that he is alienating, rather than persuading, Scottish voters.

Allan Little reports.

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