Russian authorities have opened a criminal case against Mikhail Khodorkovsky and 22 members of the Russian Anti-war Committee.
Those named in the case include Mikhail Kasyanov, Marat Gelman, and Garry Kasparov, among others.
Khodorkovsky also faces separate charges of public incitement to terrorism (Part 2 of Article 205.2).
Author's summary: Russia charges 23 opposition figures with terrorism and coup plotting.