GCHQ 'Spied On Foreign Officials And Politicians' At 2009 G20 Summit In London

16/06/2013 22:23 BST | Updated 16/06/2013 23:18 BST
File photo dated 23/01/04 of the Government Communication Headquarters (GCHQ) on the west of Cheltenham as the Government's secret electronic eavesdropping agency issued a rare public statement to deny it is pressing ahead with plans to monitor all internet use and telephone calls in the UK. PRESS ASSOCIATION Photo Issue date: Monday May 4, 2009. The organisation said that a reported 1 billion 'snooping' project at GCHQ's hi-tech complex at Cheltenham was simply intended to enable the organisation keep pace with developments in internet technology. See PA story POLITICS GCHQ. Photo credit should read: Barry Batchelor/PA Archive

GCHQ intercepted the calls and emails of foreign officials attending the 2009 G20 summit in London, according to documents seen by the Guardian.