A source in the Ukrainian security services the SBU said Russian general Igor Kirillov was assasinated in their special operastion. Kirillov, chief of the Russian Armed Forces' radiation, chemical and biological defense troops, was killed when a bomb hidden in a scooter in Moscow exploded. His aid died with him. "Kirillov was a war criminal and an absolutely legitimate target, as he gave orders to use banned chemical weapons against the Ukrainian military," The source said.