<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-2015-16, uHulumeni waseBrithani wenza uphenyo ngokufa kuka-Alexander Litvinenko. Umbiko walo uthi, Umsebenzi we-FSB wokubulala uMnu. Litvinenko cishe wavunyelwa uMnu. Patrushev kanye noMongameli Putin. Lo mbiko waveza ezinye izisusa ezingase zibe khona zokubulala, kuhlanganise nezitatimende zikaLitvinenko zomphakathi nezincwadi eziphathelene nokuhileleka kwe-FSB ekubulaweni kwabantu abaningi  <response>: , futhi ngokungangabazeki kwakuyisici somuntu siqu sokuphikisana phakathi kukaPutin noLitvinenko, okwaholela ekubulaweni. 