In addition to being a daughter of the former Saudi king, Princess Haifa happens to be the wife of the long-serving Saudi ambassador to the United States, Prince Bandar bin Sultan.

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They are often accused of working for Saad Hariri, Lebanon's former prime minister, once again an arch-enemy of Mr Assad, or for Prince Bandar bin Sultan, a Saudi who heads his country's national security council.

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Now, specifically, the Saudi ambassador to the United States, Prince Bandar bin Sultan, had said that Saudi intelligence authorities had received also credible threats that another big attack was in the works, another big terrorist attack somewhere in Saudi Arabia or perhaps somewhere in the United States.

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