Britain's David Cameron condemns Islamic State group as 'depraved' in wake of latest video
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British Prime Minister David Cameron has condemned the Islamic State group as a "depraved organization" after the extremists released a video claiming to show that militants have beheaded U.S. aid worker Peter Kassig.
Cameron said that like others who have been "murdered in cold blood" by the group, Kassig was a selfless humanitarian worker who had gone to the region to help others.
Cameron said Sunday the video "underlines the deplorable depths to which these terrorists are prepared to go — savagely murdering a compassionate man."
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The video, which also purports to show extremists beheading a dozen Syrian soldiers, ends with a militant standing over what he calls the severed head of Kassig.
U.S. officials said they were working to determine the video's authenticity.