The Moscow Prosecutor’s Office filed a lawsuit on Friday with Moscow City Court seeking to label jailed Kremlin critic Alexey Navalny’s anti-corruption foundation known as FBK and his headquarters as “extremist” organizations.

The Moscow Prosecutor’s Office filed a lawsuit on Friday with Moscow City Court seeking to label jailed Kremlin critic Alexey Navalny’s anti-corruption foundation known as FBK and his headquarters as “extremist” organizations.