At 5 pm on May 6, the Saudi authorities raided a weapons cache in the Eshbiliah Quarter of Riyadh, and seized 55 grenades, five large bags filled with 377 kilograms of explosives, four machine guns with three boxes containing approximately 2,250 rounds, five computers, telecommunication devices, travel documents, identity cards, notebooks, bulletins, 253,717 Riyals and 5,300 American dollars. A search of the compound also turned up a parked car with three machine guns and a number of masks. The militants drove up while the police were searching the house, and quickly fled the scene until their car stalled, at which point they carjacked a nearby driver and escaped.