TRIPOLI: Libya's National Oil Corporation said an armed group shut a valve on Friday on the main Hamada crude oil pipeline that links the Hamada field to the country's largest refinery, Zawiya, halting flows. The closure marks the second time this month that oil flows to Zawiya have been halted by an armed group, underscoring the recurring disruptions that Libya's oil sector faces. "The NOC warned that a continued closure would inevitably result in the loss of approximately 15,000 barre
