On Saturday evening, leaders and heads of governments from around the world, as well as heads of global organizations, gathered for a dinner in the Orsay Museum in Paris ahead of the end of World War I centenary commemorations that are held in the French capital on Sunday.
In that October 26 phone call, both leaders agreed "all aspects of the murder" must be made public so that the killers can be held accountable, according to Turkish presidential sources.
"I thanked him for his strength in responding to the Khashoggi situation".
The tours are the latest public outreach by the king, apparently meant to shore up the power of the crown prince, who has taken over day-to-day rule but whose global reputation was battered since Khashoggi was killed inside the Saudi consulate in Istanbul on October 2.
Turkey's chief prosecutor has said he was strangled and then dismembered as part of a premeditated plan.
Yet some of those implicated in the killing are close to the crown prince, including a member of the prince's entourage on foreign trips who was seen at the consulate before Khashoggi's slaying.
Turkey said it had shared the audio recordings of Khashoggi's death with several countries, including Saudi Arabia and the US.
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The event marks 100 years since the signing of the treaty which ended the Great War. Queen Elizabeth II is no longer a favorite of the British.
A spokesman said Mr Hunt's visit, the first by a United Kingdom minister since Mr Khashoggi's murder, would build on talks held this weekend between the permanent under-secretary at the Foreign and Commonwealth Office, Sir Simon McDonald, and the Saudi King, and the country's foreign minister Adel al-Jubeir.
The Canadian leader is the first since that announcement to officially confirm that "yes" his country's intelligence had listened to the audio. "Tell your boss", he is reported to have said.
US President Donald Trump told reporters on Wednesday that he will have a clearer picture of who is responsible for the murder of Washington Post columnist Jamal Khashoggi.
"They listened to the conversations which took place here, they know", he said.
Khashoggi's murder and the war in Yemen are two of the main sources of strain in the decades-old alliance between Washington and Riyadh.
In a statement released after the Times report, a Saudi official said Turkey had allowed them to listen to the audio, and "At no moment was there any reference to the mentioned phrase in the recordings".
No body has yet been found and a Turkish official said it had been dissolved in acid.
Saudi Arabia had insisted for weeks after Khashoggi disappeared that he had walked out of the consulate, before changing its account to say he died in a brawl.