Andrew Parker the head of M15, John Sawers the head of M16 and Iain Lobban GCHQ director (L-R) are seen attending an Intelligence and Security Committee hearing at Parliament, in this still image ... more 
Andrew Parker the head of M15, John Sawers the head of M16 and Iain Lobban GCHQ director (L-R) are seen attending an Intelligence and Security Committee hearing at Parliament, in this still image taken from video in London November 7, 2013. REUTERS/UK Parliament via REUTERS TV less 
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Reuters | Photo By REUTERS TV / Reuters
Thu, Nov 7, 2013 2:56 PM EST