It's at odds with what every single military person has to say about the situation. Meanwhile, Ukrainian claims have been demonstrated to be false time and again, Snake Island being a prime example.

And a concrete example of misinformation from our friend here https://lemmy.ml/post/209693

The poisoning story was denied by the U.S., Russia, Ukraine and by the fact that Abramovich himself was fine attending the peace talks in Turkey:

https://www.reuters.com/world/intelligence-suggests-environmental-factor-sickened-abramovich-ukrainian-2022-03-28/

https://www.theguardian.com/world/2022/mar/30/why-is-abramovich-playing-peacemaker-after-russias-invasion-of-ukraine

https://www.theguardian.com/world/live/2022/mar/28/russia-ukraine-war-latest-news-zelenskiy-putin-live-updates?CMP=share_btn_tw&page=with:block-6241e1518f08118734a7424c#block-6241e1518f08118734a7424c

https://www.reuters.com/article/us-ukraine-crisis-turkey-talks-idCAKCN2LQ0I9