U.N. Secretary-General Ban Ki-moon is urging world powers to hold off any military strike against Syria until a U.N. chemical weapons team completes its work.
Spokesman Farhan Haq says the inspectors will leave Syria Saturday. He says some of the inspectors will brief the Security Council in New York while others will take samples they collected to labs in Europe.
Haq said the team has a "large number of facts" at its disposal and could "construct a narrative of what happened."
Diplomats from the five permanent Council members ended a second day of closed-door meetings on Syria with no consensus on possible military action.
Thursday's meeting lasted less than an hour. The ambassadors brushed past reporters without any comments.
The Obama administration has said it may act on its own against Syria if the U.N. continues what the State Department calls "diplomatic paralysis."
In an unexpected setback for British Prime Minister David Cameron, the lower house of parliament late Thursday rejected a motion that Britain join the U.S. in military action against Syria.
Mr. Cameron said earlier that that no response from the West sends President Bashar al-Assad a message that he could use chemical weapons with no fear of reprisal.
President Obama's top national security advisers brief members of Congress Thursday evening about intelligence on last week's alleged poison gas attacks.
White House spokesman John Earnest says along with the circumstantial evidence that the Syrian military used chemical weapons on civilians, there is classified intelligence that undoubtedly points to an attack by the Syrian government.
Syrian officials deny using chemicals and accuses the rebels of using such weapons on Syrian soldiers