The issue of Russia’s alleged use of chemical weapons in Ukraine was put firmly on the international agenda in May 2024, when the US imposed new sanctions on Russia, accusing it of resorting to the use of tear gas and chloropicrin, an odourless toxic irritant, on the battlefield in Ukraine.

Lieutenant General Igor Kirillov, chief of Russia's Nuclear, Biological and Chemical Protection Troops, was killed outside an apartment building.

Ukraine's SBU domestic intelligence agency unofficially claimed it was behind the assassination on Tuesday of high-ranking Russian general Igor Kirillov in Moscow. Kirillov and his adjutant were killed when an explosive device detonated in an electric scooter as Kirillov left his house in the morning to be driven to work,

The killing of a senior Russian general in a bombing outside his apartment building in Moscow was the boldest assassination yet of a top military officer and it again brought the war in Ukraine to the

Lt. Gen. Igor Kirillov was killed by Ukraine’s Security Service, or SBU, on Dec. 17. The SBU had opened an investigation linking him to the use of banned chemical weapons, which Russia has deployed more than 4,