Antonio Guterres, seemingly alarmed by the speed of events, told an emergency meeting of the United Nations security council that the current volatility could have profound ramifications in the Middle East and beyond.
The US ambassador to the United Nations, Nikki Haley, said President Donald Trump "has not yet made a decision about possible actions in Syria". "We must not stay silent in the face of chemical weapons use in our own time".
"But should the United States and our allies decide to act in Syria, it will be in defense of a principle on which we all agree".
Turkish Prime Minister Binali Yildirim says the use of chemical weapon against civilians in a Damascus suburb is "unforgivable" but says Turkey is urging all sides to refrain from actions that will cause further turmoil in Syria. "Is the latest wave of chaos being unleashed only for the sake of that?"
"Increasing tensions and the inability to reach a compromise in the establishment of an accountability mechanism threaten to lead to a full-blown military escalation", Guterres told an emergency meeting of the UN Security Council called by Russian Federation.
The Portuguese diplomat reported that a mission of the Organization for the Prohibition of Chemical Weapons (OPCW) has already arrived in Syria to clarify the facts of the alleged use of chemical weapons and soon, a second team must be added.
"We can say that the Syrian government was behind the attack", State Department spokeswoman Heather Nauert said at a briefing. Both Russia and Syria have denied it.
Russian Federation vetoed a US-drafted resolution to create a new inquiry to ascertain blame for such attacks.
Oklahoma teacher walkout ends, but the fight continues
If they are not, he said schools should send delegates. "The bats are more symbolic than anything", Hall said. The OEA walkout lasted 9 days officially, but those who were at the Capitol on Friday make it 10 days.
"There's an obligation, particularly when dealing with the matters of peace and security, to act consistently with the Charter of the United Nationals and with global law in general", Guterres said in a statement over the coordinated series of airstrikes by the U.S., the UK and France in Syria.
"Increasing tensions and the inability to reach a compromise in the establishment of an accountability mechanism threaten to lead to a full-blown military escalation", he added. "More and more, they are the leaders of today", Secretary-General António Guterres told the event. Russian Federation also could fire at the launch platforms used - potentially USA planes or ships.
Shoygu stated during the press conference that the Douma attack was "staged" in order to provoke a military response by the USA against the Syrian government.
France's President Emmanuel Macron, meanwhile, on Friday called for stepped-up talks with Moscow and spoke to President Vladimir Putin by phone.
It is incumbent on the UN Security Council to hold perpetrators of these crimes to account and make clear to the world that the use of chemical weapons will not be tolerated.
At this critical juncture, the Security Council should take up its responsibilities to build unity and consensus and do its utmost to prevent war, he said.
Russian Federation has said it deployed military police in Douma on Thursday after the town was taken over by Syrian government forces.
On Thursday, Russia's military said Douma has been brought under full control of the Syrian government under a Russia-mediated deal that secured the evacuation of the rebels and thousands of civilians after it was recaptured by Syrian forces. "Our talks continue and will continue", he said. It is unclear how such a vote might turn out.