Overview

• The Yaroslavl region governor said the fire had a technical cause and reported no drone activity, and Ukraine offered no immediate comment.
• The Jaroslavnefteorgsinte plant processes about 15 million tonnes of crude a year and is the largest refinery in northern European Russia.
• Residents described towering flames and a vast smoke plume, and the facility has previously been targeted by drones.
• RBK, citing consultancy Siala, reported that by late September roughly 38% of Russian refining capacity was offline, with about 70% of outages attributed to Ukrainian attacks.
• Reports say sanctions and spare‑parts shortages are slowing repairs, gasoline output has slumped with a domestic supply gap, and authorities have imposed a temporary gasoline export ban.