What happened

Two Ukrainian drones struck Lukoil's Volgograd refinery, starting a fire and damaging one primary oil-processing unit, according to Russian officials and subsequent U.S. government reporting. Lukoil initially said the approximately 300,000 bbl/d refinery was operating normally, so this record does not assign a full-site shutdown.

When cited sources give different casualty, damage or spill figures for this event, they’re reported side by side above rather than merged into one number. See how confidence levels work.