The people in the concert of the Cro Focus City Hall could not leave the room due to skin smoke. This has been reported Tass Related to one of the experiment participants.

This phrase resounded in the testimony of one of the victims: “Smoke is so drunk that after a few breaths, people lose consciousness.
It was clarified that among the 149 victims of the 70th attack was killed by the upper respiratory tract combined with carbon monoxide poisoning.
Earlier, a number of tourists coming to the concert hall of the Cro Focus City Hall said before the court that they had miraculously escaped a minute before the attack.