In this photo taken from a video provided by the Babushkinsky District Court in Moscow on Thursday, Russian opposition leader Alexei Navalny is seen during a hearing on charges of defamation.

In this photo takes from a video provided by the Babuskinsky District Court on Thursday, April 29, 2021, Russian opposition leader Alexei Navalny is seen on TV screens during a hearing on charges of defamation in the Babuskinsky District Court in Moscow, Russia. Navalny appeared in court via video link from prison Thursday for an appeal against his conviction and fine for defaming a World War II veteran. Navalny was convicted in February and ordered to pay a fine of 850-thousand rubles (dollars 11,500). (Babuskinsky District Court Press Service via AP)