ISTANBUL - Saudi Arabia's consul general in Istanbul left Turkey for Riyadh on Tuesday, Turkish broadcasters said.Mohammad al-Otaibi left Turkey on a commercial flight hours before his residence was expected to be searched by Turkish police in relation to the disappearance of Jamal Khashoggi two weeks ago.Khashoggi, a prominent Saudi journalist, was last seen entering the Saudi consulate on Oct. 2. Saudi Arabia has denied any role in his disappearance.