Britain was behind a plot to spy on Russians with a device hidden in a fake plastic rock, a former key UK government official has admitted.

Jonathan Powell, former chief of staff to prime minister Tony Blair, admitted in a BBC documentary that allegations made by the Russians in 2006 - dismissed at the time - were in fact true.

http://www.theguardian.com/world/2012/jan/19/fake-rock-plot-spy-russians