The below is attributable to Spokesperson Heather Nauert:
Secretary of State Michael R. Pompeo spoke today with Saudi Crown Prince Mohammed bin Salman. The Secretary emphasized that the United States will hold all of those involved in the killing of Jamal Khashoggi accountable, and that Saudi Arabia must do the same. On Yemen, the Secretary reiterated the United States' calls for a cessation of hostilities and for all parties to come to the table to negotiate a peaceful solution to the conflict under the UN Special Envoy.
Source: U.S. State Department