Saudi Arabia kicks off an investment summit Tuesday despite a wave of cancellations from policymakers and business titans, but Turkey's threat to reveal the "naked truth" over critic Jamal Khashoggi's murder is hanging over the gathering.

The murder of Jamal Khashoggi should act as a wake-up call, Qatar's foreign ministry said Monday in the rival Gulf state's first official response to the killing.

Turkish police on Monday found an abandoned car belonging to the Saudi consulate at an underground car park in Istanbul, three weeks after the murder of journalist Jamal Khashoggi at the kingdom's mission.

European nations should take a joint stance on whether to halt arms exports to Saudi Arabia over the killing of journalist Jamal Khashoggi, German Economy Minister Peter Altmaier said Monday.

The murder of Saudi journalist Jamal Khashoggi inside Riyadh's Istanbul consulate was "savagely planned", Turkey's ruling party spokesman said on Monday, the first official indication from Ankara it believes a plot was hatched in advance.

The murder of Saudi journalist Jamal Khashoggi has sent a chill through exiled dissidents, with many revealing discreet government attempts to lure them to their embassies as an apparent "trap" to return them to the kingdom.

Turkey's pro-government media published new claims on Monday linking Saudi Crown Prince Mohammed bin Salman to the death of journalist Jamal Khashoggi after President Recep Tayyip Erdogan vowed to reveal the "naked truth" about the case.

Here is a timeline of events since the disappearance on October 2 of Saudi journalist Jamal Khashoggi, as scepticism mounts over Riyadh's account of his killing in its Istanbul consulate.

A year after a disastrous independence vote he had championed in Iraqi Kurdistan, veteran leader Massud Barzani has made a strong comeback both on the home front and in Baghdad.

A Palestinian man attacked an Israeli soldier near a holy site in the southern West Bank city of Hebron before being shot dead, the army said on Monday.