The source said that on August 20 at about 09:00 local time, the plane on which Navalny was returning to Moscow from Tomsk, made an emergency landing in Omsk.

At 09:30 Navalny, accompanied by two acquaintances, was hospitalized in the emergency hospital №1 of Omsk. Doctors took tests from him. At about 11:00, Navalny was in a coma.

“The clinical picture, like that of Navalny, can manifest itself both in case of intoxication and in other acute conditions. Officially, this is not reflected, but now it is assumed poisoning with sodium oxybutyrate ... Supporters of Navalny believe that the poisoning occurred at the airport of Tomsk. There is information that he had been drinking energy before that, ”the source said.

According to him, sodium oxybutyrate is used in general anesthesia, as well as in neurology and ophthalmology.

“It is included in the list of psychotropic substances, the circulation of which in our country is limited. The substance is very salty, while it has no color or smell, "the interlocutor of RT explained.

However, there are many other drugs that can produce similar symptoms, the source added.

“Therefore, now everyone is waiting for the results of blood sampling,” he stressed.

Due to the large number of versions and possible reasons for the poisoning, the doctors and the police “chose the tactic of“ minimum information, ”said the interlocutor of RT.

According to the source, from the doctors and nurses who work with Navalny, the hospital management signed a subscription ban on the disclosure of any information.

Earlier it became known about the hospitalization of Navalny. According to the authorities of Omsk, a plane with Navalny on board urgently landed at the regional airport.

An ambulance delivered him to one of the city's hospitals.

The Ministry of Health of the Omsk region reported that "the patient's condition is serious."