Saudi authorities said Tuesday that a man linked to a Saudi opposition group in London was responsible for the weekend terrorist attack that killed six people, including an American whose body was dragged through the streets of Yanbu, and set off an exodus of frightened foreign workers. Foreign Minister Saud al-Faisal further accused the dissident group, the Movement for Islamic Reform in Arabia, of being financed by Israeli interests, a charge denied by the group’s leader. Saudi officials identified the ringleader of the Yanbu attack as Mustafa Abdulqader Abed al-Ansari, a Saudi from Medina who had been on the kingdom’s most-wanted list for some time. He had most recently lived in Yemen, they said. Full Story