No seriously, the website (in Russian) that linked to an Estonian website that was reported in the link you posted of a Polish website.
You seem to just downvote comments that question your worldview; it's a little narcissistic.
I don't recall downvoting you. If that hurts your feelings, though, maybe that is something to reflect on. Have another one.
It is a fact that there are military exercises in the corridor that was mentioned... and that is common across a number of reputable sources.
If you care about this issue (which I don't), I would be happy to provide more sources for you.
a number of reputable sources.
Then why post garbage?
Here is some information on Russian language fake news sites in the Ukraine.
Very sketchy