16/06/2013 18:23 BST | Updated 16/06/2013 19:18 BST

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

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 organisati

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