“They haven’t closed off the black sea.”
No; not yet.
But, perhaps you didn’t read the article. It specifically said, “...there are signs pointing to Russia’s preparations for establishing a full blockade of the Black Sea.”
THAT is what I was addressing. But, as I said above, perhaps you didn’t read the article before you commented.
Signs according to who? Ukrainian intelligence? Or do they call it the Abwehr?
I looked at the article. It was a spokesman for the southern command of the Reich.