Imprisoned Russian opposition leader Alexei Navalny went on trial Monday on new charges of extremism that could keep him behind bars for decades.
The trial opened at a maximum security penal colony in Melekhovo, 150 miles east of Moscow, where Navalny, 47, is serving a nine-year sentence for fraud and contempt of court — charges he says are politically motivated.
Navalny, who exposed official corruption and organized major anti-Kremlin protests, was arrested in January 2021 upon returning to Moscow after recuperating in Germany from nerve agent poisoning that he blamed on the Kremlin.
Wearing his prison garb, Navalny looked gaunt at the session but spoke emphatically about the weakness of the state's case and gestured energetically.
Navalny has said the new extremism charges, which he rejected as "absurd," could keep him in prison for another 30 years. He said an investigator told him that he would also face a separate military trial on terrorism charges that could potentially carry a life sentence.
Monday's trial came amid a sweeping Russian crackdown on dissent amid the fighting in Ukraine, which Navalny has harshly criticized.
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The Moscow City Court, which opened the hearing at Penal Colony No. 6, didn't allow reporters in the courtroom and they watched the proceedings via video feed from a separate building. Navalny's parents also were denied access to the court and followed the hearing remotely.
Navalny and his lawyers urged the judge to hold an open trial, arguing that authorities are eager to suppress details of the proceedings to cover up the weakness of the case.
"The investigators, the prosecutors and the authorities in general don't want the public to know about the trial," Navalny said.
Prosecutor Nadezhda Tikhonova asked the judge to conduct the trial behind closed doors, citing security concerns.
The feed from the session to media room was then cut, but it wasn't immediately clear if it was because the judge decided to close the trial or if it was for another reason.
The new charges relate to the activities of Navalny's anti-corruption foundation and statements by his top associates. His allies said the charges retroactively criminalize all the activities of Navalny's foundation since its creation in 2011.
One of Navalny's associates, Daniel Kholodny, was relocated from a different prison to face trial alongside him.
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Navalny has spent months in a tiny one-person cell, also called a "punishment cell," for purported disciplinary violations such as an alleged failure to properly button his prison clothes, properly introduce himself to a guard or to wash his face at a specified time.
Navalny's associates and supporters have accused prison authorities of failing to provide him with proper medical assistance and voiced concern about his health.
The German government criticized the trial and reiterated its call for Navalny's immediate release.
"In case of of the opposition politician Alexei Navalny, the Russian authorities keep looking for new excuses to extend his imprisonment," government spokesman Wolfgang Buechner told reporters in Berlin.
"The German government continues to demand of the Russian authorities that they release Navalny without delay," he added. "Navalny's imprisonment is based on a politically motivated verdict, as the European Court of Human Rights concluded back in 2017."
Asked whether Germany could provide any assistance to Navalny or observe the trial, Foreign Ministry spokesman Christian Wagner said German officials were doing what they could "on the few channels that we have," but acknowledged it was "very difficult at the moment" given the current state of relations with Russia.