Palestinians believe the move is in the context of the PA’s economic sanctions against organizations that are affiliated with Hamas and other Palestinian groups in the Gaza Strip.

Turkish media, all supporting the invasion, would call the murder of Khalaf a “neutralization” of a “terrorist.” At least some US officials saw the video of the atrocities and thought they were war c

The coalition spokesman and the Emirati government did not immediately respond to a request for comment.

The Syrian forces are meant to block the Turkish advance, a no-fly zone declared in northern Syria by Russia.

"This offensive is going to cause serious humanitarian devastation," Jean-Yves Le Drian said as he arrived for a meeting with his EU counterparts in Luxembourg.

Asked about concerns Riyadh was cozying up to Moscow, Saudi Minister of State for Foreign Affairs Adel al-Jubeir said he saw no contradiction.

France has been one of the main allies in the U.S.-led coalition fighting Islamic State in Syria and Iraq.

On Sunday, Trump said he was listening to Congress, where Republicans and Democrats are pushing aggressively for sanctions action.

Sen. Graham harshly criticized Trump's decision to pull US troops out of Syria earlier this week, along with several other prominent conservatives, calling it "a disaster in the making."

"We have seen reports of the killing of (Hervin) Khalaf....as well as several captured SDF fighters," a State Department spokesman said.

"President (Recep Tayyip) Erdogan and his regime must face serious consequences for mercilessly attacking our Kurdish allies in northern Syria," Republican Representative Liz Cheney said.

He cited good Russian ties with Gulf Arab states and Iran in an interview with Arab broadcasters, but said he had no reliable information about who was behind attacks on Saudi oil facilities on Sept.

"In the last 24 hours, we learned that [the Turks] likely intend to extend their attack further south than originally planned, and to the west," Defense Secretary Mark Esper said on CBS.

Putin also told Arab broadcasters in an interview aired on Sunday he had no reliable information about who was behind last month's attack on Saudi oil facilities.

The president also said Iran's missile programme should be dealt with as a separate matter to its nuclear programme, ahead of his first visit to Saudi Arabia in over a decade.

"The Guards should have advanced and modern weapons ... Your weapons should be modern and updated. It should be developed at home. You need to develop and produce your weapons," Khamenei said.

More than 130,000 people have been displaced from rural areas around the northeast Syrian border as a result of fighting between Turkish-led forces and Kurdish militia.

“We are standing with our close friend and partner, the State of Israel,” Trump said, as he reviewed the steps he has taken on behalf of the Jewish state since taking office.

Turkey has used the Syrian Arab fighters as a way to avoid casualties, unleashing them to attack and murder Kurds after US President Donald Trump announced the US would leave parts of Syria.