RUSSIA WAS FOLLOWING A NUCLEAR SMUGGLING RING IN LONDON IN 2006 BUT GREAT BRITAIN TOLD RUSSIA IT WAS ALL UNDER CONTROL

A cable from 26th December 2006 states:

10. (S) In the course of their exchange, Safonov made the following passing statements:

--Safonov claimed that Russian authorities in London had known about and followed individuals moving radioactive substances into the city but were told by the British that they were under control before the poisoning took place.

[source : US embassy cables: Russian official hints that Russia was not involved in Litvinenko murder, The Guardian, http://www.theguardian.com/world/us-embassy-cables-documents/90864?intcmp=239, 11th December 2010]