RIYADH — A warehouse that was converted into a plant to produce sanitizers by using unknown and illegal raw materials was shut down in Riyadh. Inspectors from the Ministry of Commerce, in cooperation with the security forces, raided the warehouse the Saudi Press Agency reported. It was found, during the raid, that illegal workers stored unknown materials in a residential apartment in Riyadh. Huge quantities of materials as well as sanitizers ready for distribution were confiscated from the illegal facility.