A helicopter crash in Saudi Arabia has killed all 14 people on board. The Saudi Ministry of Energy says the accident happened Sunday morning in Ras Tanura. Everyone killed was a Saudi national. The helicopter belonged to Aramco, the world's largest oil company. An investigation is underway to determine the cause. Aramco has been dealing with disruptions in oil supplies due to the Iran war. The company recently shifted some oil exports to a pipeline to avoid the Strait of Hormuz, which the war disrupted.