Obama says nuclear terrorism is a threat

US President Barack Obama says nuclear terrorism is one of the world's biggest threats.

Source: http://rss.skynews.com.au/c/34485/f/628636/s/1dc7eb44/l/0L0Sskynews0N0Bau0Ctopstories0Carticle0Baspx0Did0F7330A0A40GvId0F/story01.htm

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