"I will make a detailed statement in an address to the [parliamentary AKP] fraction on Tuesday", the president Recep Tayyip Erdogan said.
Her foreign minister, Heiko Maas, had already said on Saturday that he now saw "no basis for decisions in favour of arms exports to Saudi Arabia".
Saudi Arabia admitted on Saturday that critic Jamal Khashoggi was killed inside its Istanbul consulate, but mystery surrounded the whereabouts of his body as Turkey kept up its investigation.
"Why did these 15 people come here?"
A spokesman said: "We share the widespread global concern following the disappearance of Jamal Khashoggi, and in light of those concerns SDI will not be proceeding with this particular appointment".
French Foreign Minister Jean-Yves Le Drian said many questions remained "unanswered" and insisted "they require exhaustive and diligent investigation".
Several Democratic members of Congress over the weekend called for Saudi Arabia to face consequences for the death, and suspected murder, of Saudi journalist Jamal Khashoggi in the Saudi consultate in Istanbul on October 2. The images, taken from security camera video, show the writer being searched before continuing toward the building.
German Chancellor Angela Merkel said on Sunday (Oct 21) that Berlin would not export arms to Saudi Arabia for now in the wake of dissident journalist Jamal Khashoggi's violent death.
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"The individuals who did this, did this outside the scope of their authority".
"That is unacceptable in any government". Saudi Arabia has threatened to retaliate against any punitive action, but analysts say that wielding its main weapon - oil production - could backfire, putting the prince's economic goals even further out of reach.
The crown prince has denied any involvement. He also urged Turkey to turn over purported audio recordings of Khashoggi's killing inside the Saudi consulate in Istanbul. "I agree with those who say that arms exports, which are already limited, can not happen given the circumstances", she said on Sunday.
The kingdom has also said 18 suspects are in custody and that intelligence officials have been fired. One source familiar with the situation said their relationship "could not be better".
After the McKinsey report was issued, one of the three was arrested, a second said the government arrested two of his brothers and hacked his cellphone, and the third Twitter account was shut down, according to The Times.
However, a number of Trump's fellow Republicans joined their Democratic colleagues in Congress in expressing impatience with the shifting Saudi responses.
Corker said that if the prince had ordered the murder, "he's now crossed the line, and there has to be a punishment and a price to pay for that".