Exilenova+ reported an attack on an oil depot in Kopaevo, Yaroslavl Region, Russia, between 5:45 AM and 6:45 AM UTC on December 31, 2025. The report from Exilenova+ emerged over the past hour, with additional footage released during this period, according to the source. No further details on the perpetrators, casualties, or extent of damage were provided in the Exilenova+ updates.