British authorities announce they have uncovered the <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwAUE" rel="mw:WikiLink" title="Soviet Union">Soviet</a> <a href="https://en.wikipedia.org/wiki/Portland_Spy_Ring" id="mwAUI" rel="mw:WikiLink" title="Portland Spy Ring">Portland Spy Ring</a> in London.