A senior Iranian official warned in Damascus on Sunday that US interests in the region would be at risk if Washington launched a military strike against his country's ally Syria.
Turkish police Sunday blocked the entrance to Istanbul's Gezi Park, the epicentre of anti-government protests in June, to prevent a demonstration against a possible military intervention in Syria.
Oil prices fell in Asian trade Monday after US President Barack Obama's announcement that he would seek approval from lawmakers for military action against Syria eased prospects of an imminent strike.
German Chancellor Angela Merkel hit out at Russia and China over their stance in the Syrian crisis, saying in an interview published Saturday that their action weakened the United Nations.
President Barack Obama said the United States was weighing "limited, narrow" action against Syria, as UN inspectors left the country Saturday and opened a window into a possible strike.
A team of UN inspectors left their Damascus hotel in a convoy of cars Saturday following the conclusion of their probe into the alleged use of chemical weapons by the regime.
President Barack Obama said Wednesday he had not yet signed off on a plan to strike Syria, but action appeared likely after Washington abandoned the hunt for a last-minute UN mandate.
Chinese state media warned the West against strikes on Syria Thursday as momentum mounted for President Bashar al-Assad's regime to be punished over an alleged chemical weapons attack.
US forces readied to strike Syria on Tuesday, as the West insisted its goal was not regime change but to punish the Assad government for unleashing chemical warfare on civilians.
Twitter and The New York Times were hit with cyber attacks on Tuesday, with credit quickly claimed by a group backing embattled Syrian strongman Bashar Al-Assad.
Pentagon chief Chuck Hagel meets his Asian counterparts on Wednesday as the United States promotes its shift to the region but a potential showdown with Syria looms over the talks.
In Wadi al-Nassara, a valley in western Syria dotted with Christian hamlets, residents have hung white silk ribbons to mourn war victims and pray the army will defeat its jihadist foes.
Washington warned Syria it would face action over the "moral obscenity" of a gruesome chemical weapons attack, as UN inspectors braved sniper fire to gather evidence about the incident.
The United States on Monday postponed a meeting with Russia on the Syrian crisis, as Washington appeared to be positioning for a potential military strike.
North Korea tried to export gas masks to Syria but they were seized in Turkey along with arms and ammunition, as the US threatened action over an alleged chemical weapons attack.
Military action against the Syrian regime would be a "tragic mistake", Russia said Sunday, warning the West not to preempt the results of a UN probe into alleged deadly chemical attacks.
UN experts are to start investigating a suspected Syrian chemical attack Monday as a sceptical Washington weighing military action and coordinating with allies said Syria's acceptance of the probe came too late.
US Defense Secretary Chuck Hagel on Friday strongly suggested the Pentagon was moving forces into place ahead of possible military action against Syria, even as President Barack Obama voiced caution.