nov 3, 2017 - Lebanese prime minister Saad Hariri unexpectedly travels to Saudi Arabia

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Lebanese prime minister Saad Hariri unexpectedly travels to Saudi Arabia on November 3 and abruptly resigns his office the following day. It is unclear whether Hariri's action was freely done, "whether he was in effect a hostage of the Saudis; or whether they had pressured him to resign as part of a broader strategy to increase pressure on their regional rival, Iran."