Syrian President Bashar al-Assad said his enemies have increased support for rebels fighting his regime as loyalists backed by Russia and Iran push an offensive to regain lost territory.
French Prime Minister Manuel Valls has called on the Gulf states to accept more refugees fleeing Syria, saying that a "humanitarian disaster" could erupt in the Balkans if Europe does not control its borders.
NATO chief Jens Stoltenberg said that the military alliance stands by key ally Turkey after it shot down a Russia fighter jet on the Syrian border but urged both sides to try to calm the crisis.
Russian Foreign Minister Sergei Lavrov recommended against Russians travelling to Turkey and cancelled his own planned visit after Ankara shot down a Russian fighter jet.
According to Kazakhstan’s political scientist and Director of Kazakhstani Institute of Strategic Studies Yerlan Karin, Russian plane shot down by Turkey is a point of no return in the Syrian crisis.
European Union president Donald Tusk called for calm after Turkey, a candidate for membership of the bloc, shot down a Russian war plane on the Syrian border.
US Secretary of State John Kerry arrived in Abu Dhabi to meet his Emirati counterparts on efforts to build a Syrian opposition coalition to lead peace talks with the Damascus regime.
Russian President Vladimir Putin will visit Tehran for talks sure to sharpen attention on his alliance with Iran in Syria after the Islamic State group's deadly attacks in Paris.
US President Barack Obama said the world must offer haven to refugees, as he visited a Malaysian centre for displaced children amid a bitter and racially tinged US debate over the Syria exodus.
Hopes for a quick political transition in war-ravaged Syria dimmed as embattled President Bashar al-Assad threw cold water on an ambitious timetable agreed at international talks in Vienna.
Canadian Prime Minister Justin Trudeau faced increasing calls to delay bringing in 25,000 Syrian refugees by year's end due to security concerns, following attacks in Paris.
Blasts shook the Islamic State group's Syrian stronghold Raqa as French air strikes hit weapons depots and a training camp in response to the attacks in Paris.
Multiple "terror" attacks in Paris increased the pressure on some 20 countries and organisations meeting in Vienna on Saturday to overcome deep divisions and help end Syria's horrific civil war.
From a quiet, football loving child to an Islamic State executioner, the man who became one of the most haunting figures of the jihadist movement remains a mystery even after being the high-profile target of a US air strike.
Turkish President Recep Tayyip Erdogan called on world leaders to rally behind Turkey's plan for a safe zone inside Syrian territory, days before it hosts the G20 summit.