NSA targeted Dmitry Medvedev at London G20 summit
American spies based in the UK intercepted the top-secret communications of the then Russian president, Dmitry Medvedev, during his visit to Britain for the G20 summit in London, leaked documents reveal.
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The document, leaked by the NSA whistleblower Edward Snowden and seen by the Guardian, shows the agency believed it might have discovered "a change in the way Russian leadership signals have been normally transmitted".
The disclosure underlines the importance of the US spy hub at RAF Menwith Hill in Harrogate, North Yorkshire, where hundreds of NSA analysts are based, working alongside liaison officers from GCHQ.
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The new revelations underline the significance of RAF Menwith Hill and raise questions about its relationship to the British intelligence agencies, and who is responsible for overseeing it. The 560-acre site was leased to the Americans in 1954 and the NSA has had a large presence there since 1966.
It has often been described as the biggest surveillance and interception facility in the world, and has 33 distinct white "radomes" that house satellite dishes. A US base in all but name, it has British intelligence analysts seconded to work alongside NSA colleagues, though it is unclear how the two agencies obtain and share intelligence – and under whose legal authority they are working under.
http://www.guardian.co.uk/world/2013/jun/16/nsa-dmitry-medvedev-g20-summit
