The Azov regiment said that Russian occupation forces on Monday night dropped a poisonous substance of unknown origin from an unmanned aerial vehicle on Ukrainian military and civilians in Mariupol.
"About an hour ago, Russian occupation troops used against Ukrainian military and civilians in the city of Mariupol a poisonous substance of unknown origin dropped from an enemy UAV," the regiment said in a telegram message.
"Azov" also noted that the victims have respiratory failure, vestibulo-attack syndrome, and the consequences of the use of an unknown substance are specified.
