Further revelations from documents supplied by Edward Snowden in tomorrow’s Guardian.

British intelligence used what one document calls “ground-breaking intelligence capabilities” to intercept the communications of visiting delegations.

• Setting up internet cafes where they used an email interception programme and key-logging software to spy on delegates’ use of computers;

• Penetrating the security on delegates’ BlackBerrys to monitor their email messages and phone calls;

• Supplying 45 analysts with a live round-the-clock summary of who was phoning who at the summit;

• Targeting the Turkish finance minister and possibly 15 others in his party;

•  Receiving reports from an NSA attempt to eavesdrop on the Russian leader, Dmitry Medvedev, as his phone calls passed through satellite links to Moscow.

GCHQ intercepted foreign politicians’ communications at G20 summits (Guardian)

Via James Bell