Britain's Prime Minister David Cameron, centre, addresses British troops, in Camp Bastion, Afghanistan, Friday, Oct. 3, 2014. Cameron on Friday pledged support for Afghanistan's newly sworn-in president and the country's new unity government, saying during a surprise visit to Kabul that Britain is committed to helping Afghans build a more secure and prosperous future. (AP Photo/Dan Kitwood, Pool) (The Associated Press)
LONDON – Prime Minister David Cameron says the slaying of a British hostage in Syria demonstrates the necessity of destroying the Islamic State extremist group.
Cameron said the video posted Friday night that showed Henning reading an anti-Western message before his captor put a knife to his neck demonstrated that IS was repulsive and beyond reason.
"There is no level of depravity to which they will not sink. No appeals made any difference," Cameron said Saturday after receiving a security briefing from Foreign Office, intelligence and military officials at Chequers, his official country retreat.
The 47-year-old Henning, a taxi driver from the town of Eccles in northwest England, was abducted minutes after his aid convoy entered Syria in December 2013. He was the fourth hostage killed by IS extremists.
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