FSB: six cases were opened against the person preparing the explosion in the Altai Territory. In particular, cases were initiated on the grounds of illegal production and storage of explosives, as well as participation in a terrorist organization.
It became known in October 2023 that a man from the Chelyabinsk region, who was planning to blow up the administration of Rubtsovsk, was detained. According to the detainee, when preparing the terrorist attack, he was interested in Uralvagonzavod.