Mezue ahịrịokwu a: N'ọnwa Ọgọstụ 2020, onye mmegide Russia na onye na-emegide nrụrụ aka Alexei Navalny
e jiri ọgwụ kemịkal bụ nke e mesịrị chọpụta na ọ bụ Novichok merụọ ya na Tomsk, Russia. Nnyocha nke Bellingcat, CNN, Der Spiegel, na The Insider na onyinye sitere na El País na-etinye aka na Federal Security Service (FSB) nke Russia na nsị na-egbu egbu, eziokwu nke Russia gọrọ. Navalny mechara kpọọ ihe yiri ka ọ bụ otu n'ime ndị ọrụ FSB na-ahụ maka ọrụ nhicha nke na-egosi na e nyere ha ọrụ ihicha uwe ime Navalny site na Novichok.