Russia said Thursday it was expelling a British diplomat, calling him an undercover spy in an accusation blasted by London as “malicious” and “baseless.” The Kremlin has long singled out Britain as one of the most hostile Western states -- with relations virtually frozen even before Moscow’s full-scale offensive on Ukraine. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . The two countries have expelled each others’ embassy staff several times in recent years.