"At the same time, OPCW's Director-General, Ambassador Ahmet Uzumcu, has considered the deployment of a FFM [fact-finding mission] team to Douma to establish facts surrounding these allegations".
But Israeli officials said the Tiyas, or T-4, air base was being used by troops from Iran and that Israel would not accept such a presence in Syria of its arch foe.
The UN Secretary General has called for global investigators to have unfettered access after the alleged chemical attack in Syria.
"What we're dealing with today is not about a spat between the United States and Russian Federation", she said.
Russia's ambassador to Lebanon has said any USA missiles fired at Syria would be shot down and the launch sites targeted.
Saudi Arabia seeks help from France for music, opera and cinema
The prince is not due to sign mega-contracts in France as he did in the United States and Britain in the past month. French officials dismiss suggestions that the lack of lucrative accords reflects a weakening in the relationship.
The Russian ministry of defence has previously said it will fire at any United States craft that strikes government areas of Damascus, where Russian officials are also based.
President Donald Trump is threatening an imminent military strike against Syria, vowing to respond "forcefully" to Sunday's apparent chemical weapons attack on civilians and warning that Russian Federation or any other nation found to share responsibility will "pay a price".
The measures come as U.S. President Donald Trump is threatening an imminent military strike against Syria, vowing to respond "forcefully" to Saturday's apparent chemical weapons attack on civilians near Damascus and warning that Russian Federation - or any other nation found to share responsibility - will "pay a price".
May is not required by law to seek parliamentary approval for offensive military action, but recent interventions in Libya and Iraq have been put to a vote.
Moscow and Damascus have fiercely denied that chemical weapons were used in Syria.
Over the weekend Trump threatened a "big price to pay" for the attack. "The notorious White Helmets, who operate as part of terrorist groups, staged and filmed a chemical weapons attack on civilians in the town of Douma".
Reports suggested that hundreds of people, mostly women and children, were brought to medical centres with difficulty breathing, foaming at the mouth, and burning sensations in the eyes. "The use of chemical weapons can not go unchallenged".