The development came as President Trump last night said the U.S. would inflict "severe punishment" on Saudi Arabia if it was found to be behind Mr Khashoggi's disappearance and murder. "Yes", Trump said in the interview, which was conducted on Thursday, when asked if Khashoggi was murdered by Saudi Arabia.
"Could it be them?"
"We're going to get to the bottom of it and there will be severe punishment", Trump said.
"If they don't buy it from us, they're going to buy it from Russian Federation or they're going to buy it from China", said Mr Trump.
Khashoggi's fiancee Hatice Cengiz, who was waiting outside the consulate when he went inside to sort out marriage paperwork, echoed the call, urging Saudi on Twitter to "officially reveal what happened" to him.
Saudi Arabia has vehemently denied involvement in the journalists' disappearance.
"Although I haven't had direct conversation with the Saudis, I know other people within the executive branch have, and those discussions are underway", he said.
"I don't want to lose an order like that", he said, referring to the multi-billion-dollar arms deal struck with the oil-rich kingdom past year.
Snowstorm kills nine climbers on Nepal peak
The official said the camp had been destroyed. '(A recovery team) could see the bodies of the climbers scattered near the camp'. Expedition organisers raised the alarm after losing contact with the group, who set off on 7 October, for almost 24 hours.
Branson, founder of Virgin Group, says he will suspend his role as director in two tourism projects in Saudi Arabia while an investigation takes place. In addition, countries such as Russian Federation and China are ready to supply them with the necessary arms, if USA backs off.
A TechCrunch fact-checker report stated: "But even if Khashoggi entered the Saudi consulate wearing that model, a third-generation Apple Watch (which Khashoggi was pictured wearing) does not support cellular connections in Turkey, effectively ruling out any chance that his health data synced either with his iPhone outside or Apple's servers".
Also speaking on Friday's release of American pastor Andrew Brunson, Cavusoglu said he was released as the judicial process on Brunson was completed.
Khashoggi, a Saudi critic of the regime, hasn't been seen since he entered the Saudi consulate in Istanbul on October 2 to pick up a document for his upcoming wedding.
A Saudi national and legal resident of the United States, Khashoggi disappeared after he was seen entering the Saudi Arabian consulate in Istanbul.
Khashoggi is a Saudi journalist and Washington Post columnist who was formerly close to Saudi Arabia's royal family but had grown critical of Saudi policies in recent years.
Abdulaziz also said "some media" have circulated "false accusations" regarding Khashoggi's disappearance.
The watch is reported to have been connected to the iCloud and the cellphone that he left with his fiancee before he entered the consulate.
By selling weapons to Saudi Arabia, Washington hoped to prevent the kingdom from turning to Russian Federation, which has been courting closer ties with the Gulf's Arab countries as it seeks to expand its role in the Middle East.