According to Alexei Navany’s team, traces of the nerve agent allegedly used to poison the Russian opposition leader were found on a bottle in the hotel room where he stayed before falling ill.
Alexei Navalny collapsed on a flight in Siberia last month. Germany says he was poisoned with a Novichok nerve agent.
It was previously thought that he may have been targeted at the airport.
A post on his Instagram account says: “Now we understand: It was done before he left his room to reach the airport.”
Alexei Navalny, Russia’s most high profile opposition figure and a leading critic of President Vladimir Putin, is currently receiving treatment in the German capital Berlin.
His team alleges he was poisoned on the orders of President Putin.
However, the Kremlin denies any involvement in the case and says there is no evidence that a nerve agent was used.
A video posted on Alexei Navalny’s Instagram account on September 17 shows members of his team in a hotel room in the Siberian city of Tomsk after news of his poisoning emerged.
The post says they were there to gather potential evidence from the hotel to send to Alexei Navalny’s medical team in Germany because they did not trust the Russian authorities.
Several empty water bottles can be seen in the clip. They are among a number of items bagged by individuals wearing gloves.
“It is precisely on the bottle from the Tomsk hotel room that a German laboratory found traces of Novichok,” the post says.
The German authorities have not commented on the alleged finding.
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Earlier this week, Alexei Navalny posted once for the first time since he fell ill. He said he was now able to breathe unaided. His spokeswoman said he intended to return to Russia.
Alexei Navalny became ill during the flight from Tomsk to Moscow on August 20, and the plane made an emergency landing in the city Omsk. Russian officials were persuaded to allow him to be airlifted to Germany two days later.
After carrying out tests, Germany said there was “unequivocal proof” that Alexei Navalny had been poisoned with a Novichok nerve agent.
According to the German government, labs in Sweden and France later confirmed the findings. A nerve agent from the Novichok group was also used to poison Russian ex-spy Sergei Skripal and his daughter in Salisbury, in England, in 2018. They both survived, but a local woman, Dawn Sturgess, died after coming into contact with the poison.
