Turkey today pledged to share with the world the results of its investigation into the suspected murder of the missing journalist Jamal Khashoggi as investigators searched woods and a farm outside Istanbul for his remains.
Khashoggi, a US resident, was allegedly last seen on October 2 entering the Saudi consulate in Istanbul.
Mr Mnuchen will make a final decision on Friday, according to the White House, but for now is scheduled to the summit, formally known as the Future Investment Summit.
So grave is the fallout from the disappearance of Saudi journalist Jamal Khashoggi that King Salman has felt compelled to intervene, five sources with links to the Saudi royal family said. Turkey has accused Saudi Arabia of sending a hit squad to abduct and assassinate the journalist, who wrote a column for the Washington Post. Khashoggi has not been seen since he entered the Saudi consult in Istanbul more than two weeks ago and is feared dead. Hiatt spoke with CBC News Network's Suhana Meharchand from Washington.
Turkish police on Monday night carried out an eight-hour search at the consulate, taking away soil and DNA samples.
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Saudi Arabia has denied involvement in Kashoggi's disappearance.
House Democratic Whip Steny H Hoyer said the reported death of Khashoggi at the hands of Saudi officials is appalling, as is the Trump Administration's failure to hold the government of Saudi Arabia accountable for its actions.
While earlier in the week the president questioned whether the audio recording existed and cautioned against blaming Saudi Arabia for Khashoggi's disappearance, on Thursday afternoon his administration abruptly canceled a visit to Saudi Arabia by Treasury Secretary Steve Mnuchin to attend a large investment conference hosted by the Crown Prince, whom Turkish officials have reportedly claimed was behind Khashoggi's killing.
A leaked surveillance photo published by the same paper on Thursday showed that a member of Prince Mohammed's entourage during several trips overseas had walked into the Saudi consulate, just before the writer disappeared there on October 2. The Turkish government claims he was murdered there.
Investigators have also recovered "many samples" from their searches of the consulate and the consul's residence, the senior officials told Reuters, and will now attempt to analyse those for traces of the DNA of journalist Jamal Khashoggi.
While it's true Khashoggi was drawn toward more radical streams of thought in his youth, he later moved toward a liberal, secular point of view, those who have tracked his career say.
The Saudi consul, Mohammed al Otaibi, abruptly left Istanbul for Riyadh on Tuesday.