Turkey said on Monday the world should seek justice for slain Saudi journalist Jamal Khashoggi under international law after Riyadh ruled out extraditing two senior Saudi officials who Turkish officials suspect planned his killing in Istanbul.

Istanbul's chief prosecutor has filed warrants for the arrest of a top aide to Saudi Arabia's de facto ruler and the deputy head of its foreign intelligence on suspicion of planning the killing of Jamal Khashoggi, two Turkish officials said on Wednesday.

Tunisian activists are calling for protests over the killing of Saudi journalist Jamal Khashoggi when Saudi Arabia's Crown Prince Mohammed bin Salman visits next week.

Turkey accused the United States on Wednesday of trying to turn a blind eye to the murder of Saudi journalist Jamal Khashoggi in Istanbul, and dismissed comments from President Donald Trump on the issue as "comic".

A high-ranking Yemeni rebel official urged his leadership Monday to freeze military operations and stop firing missiles into Saudi Arabia as the UN prepares for peace talks.

The CIA believes Saudi Crown Prince Mohammed bin Salman ordered the killing of journalist Jamal Khashoggi in Istanbul, sources familiar with the matter said on Friday.

Dozens of people on Friday paid homage to murdered journalist Jamal Khashoggi in a symbolic funeral in Istanbul where the 59-year-old Washington Post contributor was killed last month.

The United States imposed economic sanctions on 17 Saudi officials on Thursday for their role in the killing of Saudi journalist Jamal Khashoggi, as Saudi Arabia's public prosecutor sought the death penalty for five suspects in the murder.

Yemen's Saudi-backed army on Wednesday ordered their forces to suspend an offensive on the rebel-held port city of Hodeidah, field commanders said.

The killers of Saudi journalist Jamal Khashoggi poured his remains down the drain after dissolving him in acid, a Turkish newspaper reported Saturday.

Saudi Arabia bears responsibility to find out what happened to the body of Jamal Khashoggi, Turkey's foreign minister said, reiterating Ankara's stance that it was not King Salman who ordered the killing, Anadolu news agency reported.

Saudi Arabia deployed a chemist and toxicology expert to Istanbul after the murder of journalist Jamal Khashoggi in an attempt to cover up evidence of the killing, a Turkish newspaper reported on Monday.