Israeli security forces raided the village of a Palestinian suspected of shooting two Israelis dead, the army said Monday, making arrests while the assailant himself remained at large.

Syria's President Bashar al-Assad on Sunday said that a Russia-Turkey deal for the last major rebel bastion of Idlib was a "temporary measure", state news agency SANA reported.

The United States should "demand answers" from Saudi Arabia about the disappearance and alleged killing of journalist Jamal Khashoggi, The Washington Post said late Sunday -- and punish the kingdom if cooperation is lacking.

Turkish President Recep Tayyip Erdogan on Sunday said he was awaiting the results of an investigation into the disappearance of a Saudi journalist who sources previously said had been killed after entering Saudi Arabia's consulate in Istanbul.

The withdrawal by rebels of their heavy weapons from a planned buffer zone in northwestern Syria is due to last several days, a Turkish-backed alliance of fighters said Sunday.

Jamal Khashoggi, the prominent Saudi journalist missing since he entered his country's consulate in Istanbul on October 2, has been an outspoken critic of the kingdom's government.

The wife of Israeli Prime Minister Benjamin Netanyahu went on trial Sunday for allegedly using state funds to fraudulently pay for hundreds of meals, part of a list of legal troubles facing the family.

Israeli Prime Minister Benjamin Netanyahu said Sunday he would meet Russian President Vladimir Putin to discuss coordination in Syria after the accidental downing of a Russian plane led to tensions.

A shooting attack by a Palestinian at an industrial zone for a West Bank settlement on Sunday killed two Israelis and wounded another, the Israeli army said.

Army spokesman Jonathan Conricus said the 23-year-old Palestinian had worked in the Barkan industrial zone, where the attack took place in the occupied West Bank.

Turkish police believe that prominent Saudi journalist and critic Jamal Khashoggi was murdered inside the Saudi mission in Istanbul after he went missing on Tuesday, according to an unnamed government official.

"Based on their initial findings, the police believe that the journalist was killed by a team especially sent to Istanbul and who left the same day," the official told AFP.