A British official says they are assessing the video . British journalist James Cantlie is in a video released by ISIS . He says he was abducted by the group in January 2012 . Cantlie was interviewed with American journalist James Foley .
A British official says authorities are assessing the video . British journalist John Cantlie is in a video released by ISIS . He says he was abducted by the group in November 2012 . Cantlie was kidnapped with U.S. journalist James Foley .