Originally Posted by
superplum
But is it after the event? We have no knowledge of the causal factors or if the "fire" is extinguished. Residual heat may well play a part in this. Personally, I wouldn't relish living in an area where random shells may still be falling.
Looking at the video which happened to be pointing in the right direction there is much more to this story.
Looking at the mass of smoke before the fireball it looks as if there was already a huge fire. The evacuation may have preceded the explosion.