Bbc Journalist Andrei Zakharov

An investigative journalist for the BBC's Russian-language service in Moscow said in a video released on Monday that he had felt compelled to leave Russia for self-imposed exile in Britain due to what he called unprecedented surveillance.

An investigative journalist for the BBC's Russian-language service in Moscow said in a video released on Monday that he had felt compelled to leave Russia for self-imposed exile in Britain due to what he called unprecedented surveillance.