Russian politician Viatcheslav Nikonov says that Berezovsky is probably not dead.
Imprensa russa tenta explicar morte de magnata Berezovski
Some people believe that Jewish tycoon Robert Maxwell faked his own death.
Russian prominent politician claims that British special services ...
This is according to Sergei Markov, an adviser to Russia's President Putin.
"In the stock of modern secret services, there are many things . . . which can provoke a heart attack and a stroke, and experts will not diagnose it.
"After their participation in the plot aimed at occupying Iraq, their role in the plot targeting the leader of Libya, then the plot aimed at knocking down the government in Syria, it is clear that their methods are highly dirty."
Boris Berezovsky's bodyguard said that, on the day of Berezovsky's 'death', he left Berezovsky alone in the house at around 10am to run a series of errands for his boss.
He returned around 3pm, when he discovered a number of missed calls on Berezovsky's phone.
He forced his way through the bathroom door, which was locked from the inside, and discovered Berezovsky lying dead on the floor.
Boris Berezovsky left unguarded on day of his death