Public Health & Borders: A suspected plague scare in Russia’s Irkutsk region has put nearly 200 people under medical observation and triggered hospital quarantines after the death of a 28-year-old lab worker linked to an anti-plague institute. Russian authorities say her cause of death was “pneumonia of unknown etiology” and that tests found no microorganisms tied to her work, but reports of conflicting details—ranging from a possible lab test-tube incident to a field trip near areas bordering Mongolia—have kept international attention high. US Response: Donald Trump said the US is watching “very strongly” and offered help to Moscow; Secretary of State Marco Rubio urged “focus” rather than panic. Regional Impact: Kyrgyzstan, Kazakhstan, Uzbekistan and Mongolia have reportedly tightened or heightened border health checks amid fears of pneumonic plague spreading. Mongolia Watch: In economic news tied to Mongolia’s energy push, TMK Energy reported a new monthly gas production record at its Gurvantes XXXV CSG project as drilling activity ramps up in the South Gobi. Trade Link: India’s SAIL carried out its first air shipment trial of Mongolian coking coal for steelmaking testing.