Saudi authorities said they raided an explosives depot in Riyadh five days ago and had also recently arrested five suspects linked to February’s failed attempt on an oil processing plant. “The investigation led us to one of their dens … in the (eastern) Al-Sulai neighborhood in Riyadh and we found 123 explosives bags weighing more than a tonne and a half,” an interior ministry official was quoted by the state-owned SPA news agency as saying. Full Story