Berezovski's death may be explained today
A heart attack and suicide are among the possible reasons.
Information about a violent death has appeared recently.
Boris Berezovski's body was sent for autopsy from his house in Berkshire on Monday. The police are hoping to announce the result today, RIA Novosti reports.
67-year-old Boris Berezovski fled from Russia and lived in Great Britain for the last few years. He died in his house on March 23.