What we know about Russia’s chemical defense chief killed in Moscow blast

Lieutenant General Igor Kirillov, the head of Russia’s Radiological, Chemical, and Biological Defense Forces (RChBZ), has died in a blast together with his aide. According to investigators, an explosive device hidden in a scooter was detonated on Tuesday morning near the entrance of a residential building in Moscow’s south-east.

Here’s what is known about Kirillov:

• From September 2014 to April 2017, he served as the head of the Military Academy of the RChBZ named after Marshal of the Soviet Union Semyon Timoshenko.
  
  
• In April 2017, Kirillov became the chief of the RChBZ troops.
  
  
• Kirillov dealt with anti-terrorism both domestically and abroad. He exposed the provocations of the controversial White Helmets volunteer organization in Syria, and participated in mitigating the consequences of natural and man-made disasters.
  
  
• Since the beginning of the military operation against Ukraine in February 2022, Kirillov has spoken at briefings held by the Ministry of Defense, where he shared information about Ukrainian developments in the areas of radiological, chemical, and biological weapons. In March 2022, he announced that Ukrainian biolaboratories were studying the potential for transferring highly dangerous infections through migratory birds.
  
  
• The same month, Kirillov presented copies of documents that, according to him, confirmed the Pentagon’s funding of biological laboratories in Ukraine.
  
  
• In June 2024, Kirillov stated that spent nuclear fuel and hazardous chemical waste were being imported into Ukraine for a potential “dirty bomb” creation. He added that radiochemical substances were still being brought into Ukraine for disposal. According to him, these supplies were overseen by Andrey Yermak, Vladimir Zelensky’s right-hand man, with primary routes passing through Poland and Romania.
  
  
• In October 2024, the UK slapped Kirillov with sanctions after he accused Ukraine of preparing a false-flag chemical weapons attack with the aim of framing Russia and undermining its position at the OPCW. Kirillov noted that NATO had provided Ukraine with a much larger amount of chemical protective equipment than the country actually needs, calling it further evidence of an impending plot.
  
  
• In November 2024, Kirillov said that Ukraine planned to seize a nuclear power plant during its large-scale incursion into the Kursk Region.
  
  
• Kirillov was killed in the blast one day after Ukraine’s Security Service (SBU) formally declared him a suspect in the alleged use of chemical weapons against Kiev’s military. The general rejected claims that Russia had been attacking Ukraine with riot control agents and chemical weapons, recalling that the OPCW had confirmed the complete destruction of all Russian chemical weapons stockpiles in 2017.