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ABQAIQ, SAUDI ARABIA: Saudi security men stand at the entrance of the oil processing plant of the state oil giant Aramco in Abqaiq, in the oil-rich Eastern Province, 25 February 2006. Saudi Arabia moved to reassure consumers today that supplies from the world's number one producer are secure after Al-Qaeda militants killed two security guards in an unsuccessful attempt to penetrate the world's biggest processing plant. News of the unprecedented attack against the Abqaiq plant in the kingdom's eastern oil fields, in which at least two militants were also killed, had sent world prices soaring Friday. AFP PHOTO/STR (Photo credit should read -/AFP/Getty Images)

ABQAIQ, SAUDI ARABIA:  Saudi security men stand at the entrance of the oil processing plant of the state oil giant Aramco in Abqaiq, in the oil-rich Eastern Province, 25 February 2006. Saudi Arabia moved to reassure consumers today that supplies from the world's number one producer are secure after Al-Qaeda militants killed two security guards in an unsuccessful attempt to penetrate the world's biggest processing plant. News of the unprecedented attack against the Abqaiq plant in the kingdom's eastern oil fields, in which at least two militants were also killed, had sent world prices soaring Friday. AFP PHOTO/STR  (Photo credit should read -/AFP/Getty Images)