The Saudi dissident Jamal Khashoggi was strangled almost as soon as he stepped into the Saudi Consulate in Istanbul a month ago, and his body was then dismembered and destroyed, the chief prosecutor for Istanbul said on Wednesday, giving the first official explanation from Turkey of how Mr. Khashoggi died.
The announcement came as the Turkish and Saudi chief prosecutors ended three days of meetings as part of a joint investigation into Mr. Khashoggi’s murder without progress and Turkey seemed to be ratcheting up its pressure for answers.
The killing of Mr. Khashoggi has significantly raised tensions between Saudi Arabia and Turkey.

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