Russian forces have dropped a “poisonous substance of unknown origin” from a drone on military and civilian targets in the besieged port city, Mariupol, according to the city’s Azov Battalion. People are reportedly suffering respiratory failure and neurological problems as a result. The Regiment’s report states: “The victims have respiratory failure, vestibulo-atactic syndrome. The consequences of using an unknown substance are being clarified.”
The development comes hours after President Joe Biden warned Russia would pay a “severe price” if it uses chemical weapons against Ukraine.
He did not expand on what the consequences would be, but ruled out direct confrontation between NATO and Russia.
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