<prompt> Pedzisa mutsara unotevera: Maererano nebhuku racho, FSB yakagamuchira murayiro wakananga kubva kuMutungamiriri weRussia Vladimir Putin kuti auraye Alexander Litvinenko, uye yakanga inewo rutivi mukuuraya  <response>: Kuputika kwedzimba muna 1999, dambudziko revanhu vakatapwa muMoscow uye kuurayiwa kwaAnna Politkovskaya. 