The British Government admits that former diplomat <a href="https://en.wikipedia.org/wiki/Kim_Philby" id="mwAbg" rel="mw:WikiLink" title="Kim Philby">Kim Philby</a> had worked as a <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwAbk" rel="mw:WikiLink" title="Soviet Union">Soviet</a> <a href="https://en.wikipedia.org/wiki/Espionage" id="mwAbo" rel="mw:WikiLink" title="Espionage">agent</a>.