ISIS threatens Britons in new video

raqqa - Islamic State has threatened an attack to be executed in the United Kingdom, in a new video that apparently five people who were spies to ISIS. A man and a boy with a British accent threatening to murder unbelievers and speak of the 'invasion of your country' after the 'prices' of Prime Minister David Cameron, who dared 'to challenge the power of ISIS'. The UK Foreign Office is investigating the authenticity of the ten-minute video, reports the BBC.

In the video, five men who were executed on their knees with a shot in the back by masked fighters. ISIS claims that the five are known to spy. Some ISIS fighters say in the video that they come from Raqqa in Syria, another says that he comes from Benghazi, Libya. None of them said to come from Britain.