http://www.judiciary.gov.uk/judgments/r-oao-litvinenko-v-secretary-of-state-for-the-home-department
http://www.judiciary.gov.uk/wp-content/uploads/JCO/Documents/Judgments/r-litvinenko-v-sshd-1102014.pdf
Июль 2014
https://www.gov.uk/government/speeches/announcement-in-relation-to-the-death-of-mr-litvinenko
