Update:

…On November 30, unknown persons blew up a freight train on the Itykit-Okushikan section, consisting of 50 cars (41 tanks with diesel fuel and 3 tanks with aviation fuel). According to the locomotive crew, during the passage of the tunnel the tension was relieved and the train slowed down. While the team members were figuring out what was going on, heavy smoke began to form in the tunnel - the team secured the train and left the tunnel…