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US author Tom Clancy dies aged 66

2 October 2013 Last updated at 23:15 BST

Best-selling US author Tom Clancy, known to millions for his Jack Ryan series of novels, has died aged 66, his publisher has confirmed.

Clancy wrote a string of best-selling spy and military thrillers.

Several of his books featuring CIA analyst Ryan were adapted into successful films, including The Hunt for Red October and Patriot Games.

Will Gompertz looks back at his achievements.