Brunost tonnes of brunost caught fire in the long Bratli tunnel in Tysfjord. The temperature increased so much that the Brunost caught fire, the fats and sugars in the cheese fuelling the blaze, making firefighters unable to approach it until four days later, when most of it had burned out. The tunnel was severely damaged, and was closed for repair for several months afterwards. The accident was widely publicized in international media, and was dubbed "the goat cheese fire". It was likened to the 1999 Mont Blanc Tunnel fire, when a truck carrying margarine and flour caught fire. Brunost Brunost ("brown
Summit Tunnel fire the hillside above. The gases are estimated to have flowed up these shafts at . Air at this speed is capable of blowing around heavy items: hot projectiles made from tunnel lining (rather like lava bombs from a volcano) were cast out over the hillside. These set much of the vegetation on fire, and caused the closure of the A6033 road. In the cleanup operation afterwards, small globules of metal were found on the ground surrounding shaft 9; these had been melted from the tanker walls, swept up with the exhaust gases, and dropped out onto the grass around the