Thus, Navalny was poisoned in the hotel, not at the airport as previously thought.
The nerve agent used to poison Russian opposition's Alexei Navalny was detected on an empty water bottle collected from the hotel room he was staying at in the Siberian city of Tomsk.
This suggests he was poisoned in the hotel, not at the airport, as previously thought, his team said on Thursday, according to Reuters.
A video posted on Navalny's Instagram account showed members of his team searching the room he had just left in the Xander Hotel in Tomsk on August 20, shortly after they learned he had abruptly fallen sick on board the plane.
"It was decided to gather up everything that could even hypothetically be useful and hand it to the doctors in Germany. The fact that the case would not be investigated in Russia was quite obvious," the post said.
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"Two weeks later, a German lab found traces of Novichok precisely on the water bottle from the Tomsk hotel room," the post said.
"And then more laboratories that took analyses from Alexei confirmed that that was what poisoned Navalny. Now we understand: it was done before he left his hotel room to go to the airport," the team wrote.