David Cameron
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David Cameron: Alan Henning murder 'unforgivable'

The murder of hostage Alan Henning is "abhorrent, senseless and completely unforgivable", Prime Minister David Cameron has said.

A video purporting to show Mr Henning being beheaded has been released by Islamic State (IS) militants.

Mr Henning was delivering aid to Syria in December when he was kidnapped and then held hostage by IS.

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