Palestinian President Mahmoud Abbas, right, shakes hands with U.N. Secretary-General Ban Ki-moon during a press conference in the West Bank city of Ramallah, Wednesday, Oct. 21, 2015. U.N. Secretary-General Ban Ki-moon called for calm during a surprise visit to Jerusalem on Tuesday ahead of meetings with Israeli and Palestinian leaders, in a high-profile gambit to bring an end to a monthlong wave of violence. (AP Photo/Majdi Mohammed)
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