<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngokwencwadi, i-FSB yathola umyalo oqondile ovela kuMongameli waseRussia uVladimir Putin wokubulala u-Alexander Litvinenko, futhi nayo yaba nesandla ekuqhumeni kwamabhomu efulethini ngo-1999  <response>: , inkinga yeshashalazi laseMoscow kanye nokubulawa kuka-Anna Politkovskaya. 