Britain stalls Russian investigation of Litvinenko death: Lugovoy
The statement was in response to a recent British request for undisclosed information from Russian authorities in connection with the Litvinenko case.
Meanwhile, the man named by Britain's Crown Prosecution Service as its prime suspect in the case, Andrey Lugovoy, says the murder was organised by powerful forces in Great Britain. He claims this is why British authorities are working to keep Russian investigators from obtaining important information.
Russia's Constitution doesn't allow Andrey Lugovoy to be extradited to face trial in Britain.