What happened

An incident occurred in Unit 3900, the five-liter finished-oils packaging unit at Arzew Refinery. SONATRACH activated mutual-aid and tactical-command arrangements with civil-protection support and declared the situation fully controlled at 04:40. No injuries or deaths occurred, neighboring production units remained online, and fuel and lubricant supply was unaffected. The cause was under investigation.

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.