So Russia has now resorted to chemical warfare against Ukraine
https://www.bbc.com/news/world-europe-68941220
US has accused Russia of deploying chemical weapons as a "method of warfare" in Ukraine, in violation of international laws banning their use.
State department officials said Russia used the choking agent chloropicrin to win "battlefield gains" over Ukraine.
The allegations, which US officials said were not an "isolated" incident, would contravene the Chemical Weapons Convention (CWC), which Russia signed.
If Putin is like TFG, he'll probably just withdraw Russian participation in the convention.