Three British men waging jihad in the Middle East alongside the Islamic State (IS) have emerged as potential identities for the masked extremist who killed James Foley in a brutal propaganda video (right). Rapper Abdel-Majed Abdel Bary, 23, (pictured centre and top left with a severed head), is among those who have been suggested a potential identities for the killer known only as ‘John’. Abu Abdullah al-Britani, who is believed to be behind social media accounts attempting to recruit teenagers, and computer hacker Abu Hussain al-Britani (bottom left), 20, have also been mentioned. Security sources say that, thanks to information posted online, they are getting closer to a definitive identity.