President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE said Wednesday he’s spoken with Saudi officials about the disappearance of journalist Jamal Khashoggi but did not provide additional information about Khashoggi's status.

Trump did not specify further, only saying that those in Saudi Arabia he spoke with were at "the highest level" and that they spoke "more than once."

"It's a very sad situation, it's a very bad situation," Trump told reporters during a briefing in the Oval Office on Hurricane Michael.

"We cannot let this happen — to reporters, to anybody," he added.

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The president added that the White House has been in contact with Khashoggi's fiancée, Hatice Cengiz, about visiting with the president and the first lady.

Cengiz penned an op-ed in The Washington Post on Tuesday in which she pleaded with Trump and first lady Melania Trump Melania TrumpTrump privately blamed Black Americans for lacking initiative: report The Hill's 12:30 Report: Ginsburg lies in repose Melania Trump: Ginsburg's 'spirit will live on in all she has inspired' MORE to help in the search for what happened to Khashoggi, a frequent contributor to the Post.

National security adviser John Bolton and White House senior adviser Jared Kushner Jared Corey KushnerAbraham Accords: New hope for peace in Middle East Tenants in Kushner building file lawsuit alleging dangerous living conditions Trump hosts Israel, UAE, Bahrain for historic signing MORE phoned Saudi Crown Prince Mohammad bin Salman on Tuesday to ask for information about Khashoggi, according to the White House.

Secretary of State Mike Pompeo Michael (Mike) Richard PompeoTreasury sanctions individuals, groups tied to Russian malign influence activities Navalny released from hospital after suspected poisoning Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers MORE then had a follow-up call with the crown prince, who has close ties to several Trump administration officials, including Kushner.

"In both calls, they asked for more details and for the Saudi government to be transparent in the investigation process," White House press secretary Sarah Huckabee Sanders said in a statement.

Wednesday's update marked Trump's most in-depth comments about Khashoggi's case since he first disappeared last week.

Khashoggi was last seen entering the Saudi consulate in Istanbul last week. Turkish officials have concluded that he was murdered there and that his body was dismembered on orders from Saudi leadership, according to The New York Times.

Trump on Wednesday said he's hopeful Khashoggi is not dead and declined to say whether he would hold Saudi Arabia responsible if the journalist was murdered.

"I have to find out who did it," he said. "But people saw him go in, but they didn’t see him come out, as they understand it, and we’re going to be taking a very serious look at it."

Khashoggi's disappearance has raised concerns among U.S. lawmakers, including a number of Republican senators. He was a Washington Post columnist, and an outspoken critic of Saudi leadership.

Trump had previously refrained from making extensive comments about his disappearance, only telling reporters that he was "concerned" and calling it a "sad situation."

Vice President Pence indicated in an interview broadcast Wednesday morning that he'd be open to sending a team of FBI agents to Turkey to investigate Khashoggi's case, and he called reports of Khashoggi's death concerning to "everyone that cares as a free and open press around the world."

Trump has fostered a positive relationship with Crown Prince Mohammed, as the two leaders have paid each other official visits in their respective home countries.

However, a number of senators have warned that Khashoggi’s reported murder, if confirmed, would be a turning point in U.S.-Saudi relations.

“If it did happen there would be hell to pay,” Sen. Lindsey Graham Lindsey Olin GrahamSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.C.) said earlier Wednesday. “This hangs over the relationship like a very heavy cloud. They’ve been a good ally in sharing intelligence and facing common enemies … however there will be no pass given if it did happen.”

Jordan Fabian contributed.

Updated at 1:32 p.m.