Name the Russian opposition leader who has allegedly been poisoned by Kremlin during a domestic flight in Russia and is under treatment in Charite Hospital in Berlin?

Question

Accepted Answer

Alexei Navalny. Alexei Navalny is the correct answer as he has been publicly linked to poisoning allegations involving the Kremlin. Igor Sakinov is not the leader mentioned in this specific incident. Andre Sergey and Bruno Maksim are not the opposition leaders associated with this event.