Alexander Litvinenko’s Moscow fallout

The inquiry into Alexander Litvinenko’s death found there were “powerful motives” for organisations and individuals within the Russian state to take action against him.

Here are some of his clashes with Moscow:  

Alleged instructions to assassinate Boris Berezovsky: In 1998 Mr Litvinenko took the extraordinary decision to blow the whistle on an alleged FSB plot to murder prominent tycoon Mr Berezovsky, culminating in a press conference in which he publicly denounced the agency in front of the world’s media.