Alexei Navalny remained hospitalized in Germany after being poisoned with a Soviet-era nerve agent, a lab determined. The Kremlin has denied involvement.
The high-profile critic of Russian President Vladimir Putin was flown to Germany on Aug. 22 after falling ill from a suspected poisoning.
Novichok, a Soviet-era nerve agent, was used to poison former Russian spy Sergei Skripal and his daughter in Britain.
Russian dissident Alexei Navalny remained in critical but stable condition at a Berlin hospital after a suspected poisoning.
But an ally of Alexei Navalny said police found traces of a dangerous poisonous substance in the politician’s system.
“We assume that Alexei was poisoned with something mixed with his tea. That’s the only thing he drank this morning.”
Russian police violently arrested protesters who want opposition candidates to be allowed to run for city council.
The Russian opposition leader was detained on Monday for allegedly violating protest laws -- moments after being released from jail.
More than 70 percent of voters backed him in an election in which he had no serious challengers.
Anti-Kremlin activists took to the streets across the country on Saturday.