The Yemeni Houthis have announced airstrikes on several oil facilities in Saudi Arabia, Interfax reports. According to media reports in the Middle East, the targets were oil refineries in the cities of Ras Tanora and Rabigh, as well as an oil facility in Abkai. In addition, the rebels reported attacks on airports in Riyadh and Dammam. There have been no official comments from the Saudi side yet.