the cause of the fire was that the spark fell into the hold during welding, and the remains of fuel oil caught fire there. The fire then spread to an area of 120 square meters.”
Not really. The spark did not use the conflagration. Proximity is nit causation. Sloppy housekeeping and lack of proper (or failure to follow) protocols caused this.
This is just like saying the power lines caused the wildifires.
Good analogy .. the history of that thing reads a lot like fustercluck.
Perhaps, like that idiot in Kittery a few years ago that wanted to leave work early, a Russian worker set a small fire that got out of control?