President Trump on Missing Saudi Journalist: ‘I Do Not Like It’

Turkish authorities have concluded Jamal Khashoggi was killed in his country’s consulate in Istanbul

Turkish officials believe Saudi journalist Jamal Khashoggi was murdered in his country's consulate -- a claim Saudi officials refute. The WSJ's Gerald F. Seib explains the implications behind Mr. Khashoggi's alleged killing. Photo: Getty

Margherita Stancati in Dubai,

David Gauthier-Villars in Istanbul and

Warren P. Strobel in Washington

Updated Oct. 8, 2018 7:32 p.m. ET

President Trump said he is concerned about the disappearance of a prominent Saudi journalist in Istanbul, the latest sign of the White House’s frustration with a key Middle Eastern ally.

Jamal Khashoggi, a vocal government critic, was last seen entering the Saudi consulate in the Turkish city on Oct. 2. His fiancée, who first raised the alarm, said he never came out.

Turkish...