Dmitry Medvedev

Hearings open in Navalny vs. Usmanov defamation case

A judge in the defamation case between Russian opposition leader Alexei Navalny and multi-billionaire Alisher Usmanov on Tuesday struck down motions to summon Russia's prime minister to testify on his alleged wealth — the key issue in the case.

Usmanov, estimated to be worth $15 billion, has sued Navalny over his investigation into Prime Minister Dmitry Medvedev's alleged secret wealth.

Navalny, who made his name with a blog exposing official corruption, has published legal documents showing that the oligarch, along with several other Russian billionaires, transferred lucrative assets to a charity foundation run by Medvedev's former classmate.

Medvedev has denied...