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.

The UN agency for Palestinian refugees on Friday expressed concern after Jerusalem's Israeli mayor said he would remove it from the city.

Fighting erupted on Friday between Turkey-backed rebels and jihadist hardliners in northwest Syria, a monitor and a resident said, near a planned demilitarisation zone.

A Saudi columnist remained missing on Friday as supporters rallied outside the Saudi consulate in Istanbul calling for his "release" despite Riyadh's denials that he was being held there.

Maysoun Saab's eyes filled with tears as she recalled finding her parents bleeding to death on the fround outside their home, minutes after they were shot by Islamic State militants on a killing spree across once tranquil villages they infiltrated in a southeastern corner of Syria.

Within an hour, she had lost her mother, father, brother and 34 other members of her extended family. Overall, more than 200 people were killed and 30 hostages abducted in the coordinated July 25 attacks across Sweida province.

Prime Minister Benjamin Netanyahu underwent a new round of questioning on Friday over one of several graft cases that have threatened to topple him, Israeli media reported.

Madrid and Rabat are in talks to repatriate thousands of Moroccan minors who arrived in Spain alone without their parents, a Spanish interior ministry spokesman said Friday.

Palestinian President Mahmoud Abbas has been sidelined, isolated and humiliated by the Trump administration. But the embattled Palestinian leader may have the final say in determining the fate of the White House's long-awaited vision for Mideast peace.

In recent weeks, Abbas has thwarted a series of internationally backed initiatives aimed at rehabilitating the Hamas-ruled Gaza Strip. With Gaza expected to be the centerpiece of the U.S. peace plan, Abbas has given himself a virtual veto over the expected American initiative. The deadlock over Gaza appears to be a key reason behind the repeated delays in unveiling the plan.

The clock is ticking to implement a Russian-Turkish deal for the Syrian rebel region of Idlib, but its terms remain hazy and little has changed on the ground.