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Scottish independence: Lord Robertson on 'cataclysmic' Yes vote

8 April 2014 Last updated at 15:03 BST

Lord Robertson, the former Secretary General of Nato, has said that Scottish independence would have a cataclysmic impact on Western security.

Mr Robertson made the remarks during a speech in the US when he referred to a "debilitating divorce" after a Yes vote in September, which would threaten global stability.

In 2012 the SNP passed a resolution stating that an independent Scotland should seek non-nuclear membership of Nato.

Deputy First Minister Nicola Sturgeon described Mr Robertson's comments as "rather ridiculous" and said an independent Scotland would make a hugely positive contribution to the world.

BBC Scotland political correspondent Glenn Campbell reports.

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