Turkish police are investigating water samples taken from a well at the Saudi consulate in Istanbul as part of an investigation into the killing of journalist Jamal Khashoggi, broadcaster CNN Turk said on Thursday.

Turkish police investigating water sample from Saudi consulate well: Report

Saudi Royal family meets Khashoggi's kin

The most serious threat to the Saudi version is in the hands of Turkish intelligence. Ankara might determine the nature of relations between Riyadh and Washington, and the question is – what will it want to make of the scandal?

Jamal Khashoggi’s murder poses a dilemma for Saudi Arabia’s allies

Embattled Saudi Crown Prince Mohammed bin Salman could prove to be not only a cat with nine lives but also one that makes even stranger jumps. King Salman’s announcement that Prince Mohammed was put in charge of reorganising Saudi intelligence at the same time that the kingdom for the first time admitted that journalist Jamal Khashoggi had been killed in its Istanbul consulate signalled that the crown prince’s wings were not being clipped, at least not immediately and not publicly.

Jamal Khashoggi's killing: What are Trump's options?

A leading Republican US senator said on Sunday he believed Saudi Crown Prince Mohammed bin Salman was responsible for the death of dissident journalist Jamal Khashoggi.

Leading US senator blames Saudi Prince Salman for Khashoggi death

Turkish President Recep Tayyip Erdogan on Sunday vowed to reveal within days the "naked truth" over the death of journalist Jamal Khashoggi as Riyadh insisted it did not know the whereabouts of his body and that Crown Prince Mohammed bin Salman had been unaware of any operation to kill him.

Turkey vows to reveal 'naked truth' over Khashoggi death

Saudi Arabia on Saturday admitted that critic Jamal Khashoggi was killed inside its consulate in Istanbul, more than two weeks after his disappearance tipped the kingdom into one of its worst international crises.

Saudi Arabia admits Khashoggi killed in Istanbul consulate, fires two officials

United States President Donald Trump said on Friday that Saudi Arabia's explanation for how journalist Jamal Khashoggi died at its consulate in Istanbul was credible.

US President Donald Trump says Saudi Arabia's explanation on Jamal Khashoggi's death credible

Turkey on Friday widened the investigation into the disappearance of journalist Jamal Khashoggi after his visit to the Saudi consulate, searching a forest in the city.

Khashoggi's disappearance: Turkey widens search to Istanbul forest

A man who reportedly travelled with Crown Prince Mohammed bin Salman's entourage to the United States walked into the Saudi Consulate in Istanbul when Jamal Khashoggi vanished from there, according to a pro-government Turkish newspaper that published surveillance video images in connection with the incident.

Man linked to Saudi Prince Salman at consulate when Jamal Khashoggi vanished

Watch: President Trump's reaction on journalist Jamal Khashoggi death