After 27 years in Ukraine, businessman Oleg Varyukhin returned to Russia to renew his documents — and was arrested. Mediazona reports that he now faces treason charges over a mandatory Ukrainian military levy he paid while living there. https://meduza.io/en/news/2026/10/05/russia-has-brought-its-first-known-treason-case-based-on-tax-payments-to-ukraine