Russia has told a BBC journalist working in Moscow to leave the country by the end of this month in retaliation for what it called London's discrimination against Russian journalists working in Britain, state TV reported late on Thursday.

In an unusual move that signals a further deterioration in already poor ties between London and Moscow, the Rossiya-24 TV channel said that Sarah Rainsford, one of the British broadcaster's two English-language Moscow correspondents, would be going home in what it called "a landmark deportation"...