Ukrainian drones targeted an oil refinery in Volgograd, Russia, during the reporting window from 3:45:38 AM to 5:15:27 AM UTC on December 26, 2025, according to an X post by @Worldsource24. The post, marked as breaking news, stated that Ukrainian drones struck the facility in the southern Russian city, with no further details on damage or casualties provided in the report shared over the past 90 minutes. No official statements from Ukrainian or Russian authorities confirmed the incident during this period, and the report originates solely from the X account Worldsource24.