Alan Henning murder: David Cameron vows to defeat Isis

‘David Cameron has vowed to do everything to defeat Islamic State (Isis) after the “absolutely appalling” murder of the British aid worker Alan Henning.

After talks with the security services and Foreign Office officials on Saturday at his country residence, the prime minister said the beheading made it clear there was “no level of depravity” to which Isis would not sink.

“It is senseless. It is complete unforgivable. Anyone in any doubt about this organisation can now see how truly repulsive it is and barbaric it is.’

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