Multiple explosions were reported in Volgograd, Russia, during the 29-minute period from 9:45 p.m. to 10:15 p.m. UTC on December 25, 2025, according to a post by Tendar on X. The situation is described as ongoing, with the X post from Tendar providing the initial report of explosions in the southern Russian city. No further details on casualties, causes, or specific locations within Volgograd were available in the source during this window.