The head of Russia's chemical and biological forces, Lt. General Igor Kirillov, was killed in a Moscow bomb blast claimed by Ukraine.

Kirillov, who has been killed in Moscow, was accused by the West of overseeing the use of chemical weapons on the battlefield in Ukraine.

Russia said on Wednesday it had detained an Uzbek man who had confessed to planting and detonating a bomb which killed a top general, Igor Kirillov, in Moscow on the instructions of Ukraine's SBU security service.

Kirillov ran Russia’s nuclear, biological and chemical defense forces. Kyiv previously accused him of ordering the use of chemical weapons against Ukraine.

Igor Kirillov, a general in charge of Russia’s military’s nuclear and chemical weapons protection forces, was killed on Tuesday by a bomb in Moscow, the Russian authorities said.

Russian officials say a man has been detained over the killing of Lt. General Igor Kirillov, who led Russia's chemical and biological weapons unit.

Kirillov, who was chief of Russia ’s nuclear, biological and chemical protection troops, was killed outside his apartment building on Tuesday along with his assistant when a bomb hidden in an electric scooter went off. He is the most senior Russian military officer to be assassinated in Russia by Ukraine.

Lieutenant General Igor Kirillov was the head of Russia's Nuclear, Biological, and Chemical Protection Troops. Authorities said the explosion was caused by a bomb hidden inside an electric scooter.

A 29-year-old Uzbekistani national has been arrested in connection with Tuesday’s assassination of Lieutenant General Igor Kirillov, the head of Russia’s radiation, chemical, and biological defense forces.

Russia has detained two suspects in the murder of Lieutenant General Igor Kirillov, Head of the Radiation, Chemical and Biological Protection Troops of the Russian Armed Forces, the Russian newspaper Kommersant reports.

Lieutenant General Igor Kirillov, head of Russia’s Nuclear, Biological, Chemical Defence Forces (NBC), was killed in an explosion in Moscow in an assassination claimed by Ukraine

Lieutenant General Igor Kirillov met his demise in Moscow on Dec. 17, reportedly killed by a bomb attached to a scooter planted by the Security Service of Ukraine (SBU). "Kirillov was a war criminal and a completely legitimate target,