News UK News David Haines David Haines 'beheading': Latest updates after ISIS video claiming to show execution of British hostage Sep 13, 2014 23:02 By Steve Robson A new video has been released by militants purporting to show the 44-year-old aid worker being executed The terrain in the new ISIS video appears very similar to the background where Steven Sotloff was beheaded. Based on his appearance and voice, we believe the executioner is also the same - the infamous Jihadi John. The killer, who is believed to be British and has a London accent, was first shown beheading American journalist...