Do you think that Ukraine is not involved in the explosions in Bryansk? Then it is doubly incomprehensible to me why you are dragging offtopic into this topic, and even falsely accusing me of this when I talk about the role of Poland in this story (which, in my opinion, is very interesting and quite significant).
Two possibilities that I think are most likely: Ukrainians did it; or corrupt Russian generals are trying to mask the extent of their corruption in the face of humiliating failures in Ukraine (see all that fuel... it burned, we definitely didn't steal half of it before this unfortunate fire). Either way this is a direct consequence of the war in Ukraine.
So is the alleged "plot" - a very clunky attempt by FSB to deflect from the real news... I mean seriously, a t-shirt with swastika on a secret mission in a foreign country? LOL
Now please find something "incriminating" about Finland or Monaco because obviously they're involved somehow.