British Foreign Minister Raab announced million Russian ambassadors in the country to express concern about "poisoning Alexei Navalny".

"We have summoned the Russian Ambassador to the UK to express deep concern about the poisoning of Alexei Navalny. Completely unacceptable that a banned chemical weapon has been used, Russia must hold a full investigation.

The Russian Foreign Ministry has not yet commented on the UK move.

Charite Hospital in Germany, where Alexei Navalny is being treated, said today that the Russian opposition leader "ended the coma through medical intervention and is slowly quitting the ventilator, reacting to voice stimulation,

Navalny, 44, leader of the opposition party of the Russian People's Union, lost consciousness while on a flight from Siberia to Moscow on August 20, forcing his plane to make an emergency landing.

Germany on September 2 announced that Navalny was poisoned by the Novichok compound, but Russian Foreign Ministry spokeswoman Maria Zakharova called it a "lack of evidence" statement.

Foreign Minister Raab said on September 6 that it is possible the Russian government was behind the "Navalny poisoning" and said that the Russian opposition leader was "apparently" poisoned with Novichok, a nerve agent dating back to the Soviet era and

The Kremlin condemns efforts to blame the Russian government for the serious illness of Navalny as "unreasonable".