U.S. Secretary of State Mike Pompeo speaks to reporters after having lunch with President Donald Trump at the White House in Washington, U.S. October 9, 2018. REUTERS/Jonathan Ernst

WASHINGTON (Reuters) - U.S. Secretary of State Mike Pompeo will stop in Turkey after his trip to Saudi Arabia to talk with King Salman about the missing journalist Jamal Khashoggi, a National Security Council spokesman said on Monday.

“It is absolutely essential that Turkish authorities, with full and transparent support from the government of Saudi Arabia, are able to conduct a thorough investigation and officially release the results of that investigation when concluded,” the spokesperson said.