U.S.-backed Syrian forces were clearing two villages in eastern Syria on Thursday of remaining Islamic State militants who are hiding among the local population, and detaining others attempting to flee with the civilians, the U.S.-led coalition said.

The coalition said the clearance operations were taking place in the villages of Shajalah and Baghouz, near the border with Iraq.

Israeli Prime Minister Benjamin Netanyahu on Thursday hailed as a breakthrough a conference in Warsaw where he is standing side-by-side with Arab powers to confront Iran, hoping their common front can pave the way to greater normalisation of relations.

The US House voted overwhelmingly Wednesday to end American involvement in Saudi Arabia's war effort in neighboring Yemen, dealing a rebuke to President Donald Trump and his alliance with Riyadh.

The cry echoed across the chalk-dry Syrian plain: "Water!" Within seconds, the truck carrying a few dozen bottles was emptied by parched refugees who had spent the night out in the open.

At least 300 women and children, mostly Iraqi, had slept amid the desert scrubs after escaping the Islamic State group's final redoubt of Baghouz in eastern Syria.

The US carried out an air strike against Islamist group Al-Qaeda in southern Libya on Wednesday night, Tripoli's UN-backed Government of National Accord said.

The leaders of Russia, Turkey and Iran hailed the planned U.S. withdrawal from Syria as they met for talks Thursday on how to work more closely together in the country's long-running conflict.

Hosting his Turkish and Iranian counterparts in the southern city of Sochi, President Vladimir Putin said the three welcomed the expected U.S. pull-out from northeastern Syria.

Indonesia will host Saudi Arabian Crown Prince Mohammed bin Salman for a state visit next week, Jakarta said Thursday, part of an Asian tour that includes stops in Pakistan, India and Malaysia.

Britain is ready to do "all that is required" to neutralize the threat from the Islamic State group, defense minister Gavin Williamson said Wednesday, after the U.S. suggested creating a new international mission in northeast Syria.

Iranian Foreign Minister Mohammad Javad Zarif said Wednesday that a two-day conference being co-hosted by Washington in Warsaw on Iran and the Middle East was "dead on arrival."

Jihadist fighters made a desperate last stand in eastern Syria on Wednesday, while their wives and children fled the final, blood-soaked implosion of their "caliphate".

The Syrian Democratic Forces on Saturday launched a final push to expel IS fighters from the sole remaining morsel of the proto-state they declared in 2014 across Syria and Iraq.