An attack with chlorine, which can be used as a weapon but is not outright banned by the treaty, could raise precedent issues, as there have been numerous recent allegations of chlorine attacks in Syria that have drawn no response from the Trump administration.
An escalating war of words has broken out between Moscow and Washington over a suspected chemical attack in a Syrian rebel-held town, raising worldwide tensions amid calls for action at an urgent United Nations Security Council meeting.
The line-up among the worldwide parties involved in the Syrian conflict - France, Iraq, Lebanon, Russia, Saudi Arabia, Turkey, and the United States, as well as the Kurds - also bears on what happens next in Syria.
"We have reached the moment when the world must see justice done", Haley told an emergency meeting at United Nations headquarters in NY.
Worldwide bodies led by the Organisation for the Prohibition of Chemical Weapons (OPCW) were trying to establish exactly what happened in Douma, a rebel-held town in the eastern Ghouta district.
Further, asked directly if military force is on the table as an option, Trump said that all options are on the table.
"We must not overlook Russian Federation and Iran's roles in enabling the Assad regime's murderous destruction", she continued.
Mr Trump said the U.S. is still investigating the possible involvement of the Iranian and Russian governments in the apparent strike on Douma.
In a parallel operation, 65 buses carrying fighters and civilians left the outskirts of Ghouta and headed to northern Syria, according to the Syrian Observatory for Human Rights.
"Our military specialists have visited this place. and they did not find any trace of chlorine or any other chemical substance used against civilians", he said.
Trump - who a year ago ordered a missile strike on a Syrian air base after sarin was used in the town of Khan Sheikhun - warned that there would be a "big price to pay".
Trump also discussed the incident with French President Emmanuel Macron late on Monday, and both leaders expressed a desire for a "firm response". But weapons inspectors are not expected to go to Syria after being attacked twice while trying to get to the sites of chemical weapons attacks since 2013.
The airfield, known as T-4, was attacked in the past by Israeli Air Force jets after an Iranian drone violated Israeli airspace.
Reports suggested more than 500 people, mostly women and children, were brought to medical centres with difficulty breathing, foaming at the mouth, and burning sensations in the eyes.
Pressed Monday on whether those plans still stand, Trump simply told reporters: "We're gonna make a decision on all of that, in particular Syria, we'll be making that decision very quickly, probably by the end of today".
Al Jazeera's Mike Hanna, reporting from the United Nations headquarters in NY, said the different narratives and the "escalation in rhetoric" laid bare the divisions within the Security Council.
Saturday Afternoon: It'll stay breezy and cooler through the day on Saturday with a fair number of clouds around through mid-day. Snow overspreads the area Sunday afternoon, with the bulk of the accumulating snow coming Sunday night into Monday morning.
Labour MP John Woodcock, a leader in the Labour Friends of Israel group, said Corbyn's attendance was "irresponsible and risky ". Ros Altmann, the former Conservative pensions minister, has also signed it.
According to Diario Gol , Los Blancos are offering €50m (£43m) plus Spain worldwide Isco for the free-scoring Egyptian. This is ahead of their English Premier League clash against local rivals Everton at Goodison Park.
The violation carries a prison sentence of one year to five years and a fine from 2,500 euro to 50,000 euro (about $3,000-61,400). It was alleged that while at a parish there in December of 2016, Capella had possessed and distributed child pornography.
Finally, Citigroup Inc. reiterated an "overweight" rating on shares of Ford Motor in a research note on Friday, October 21st. The key objective of using Perf Month indicator is to evaluate the actual value of shares existing in the stock market.
OPEC and its allies are collectively curbing 1.8 million barrels per day of crude output to help eliminate a global oil glut. Gold demand rallied in the closing months of 2017, gaining 6pc year-on-year in Q4 to reach 1,095.8 tonnes.
Currently, the IAF has 32 combat squadrons against a sanctioned strength of 39.5, which is sought to be raised to 42. The remaining 93-94 aircraft must be built in India by a "strategic partner/Indian production agency (SP/IPA)".
Manufacturing added 22,000 jobs, with all of the gains in the durable goods component, and healthcare added the same amount. Meanwhile, worker wages rose faster than economists had predicted, rising 0.3 per cent for the month to US$26.82 (S$35.35).
November 27, 2016: The UFC strips McGregor of the featherweight belt he won a year earlier when he knocked out Jose Aldo. Video footage of McGregor's surprise appearance in Brooklyn soon emerged and started doing the rounds on Twitter .
Here's Mark Zuckerberg's Written Testimony For Congress
Associated Press reporters around the world have been surveying users, none of whom has reported seeing anything from Facebook. Facebook said the commission will last for one year and that membership will be determined in the coming weeks.
What Happened on the Final Show Before WrestleMania 34
And finally, the WWE brought in $17.3 million in ticket sales for WrestleMania 32, which beat the previous record by $4.7 million. That'll lead to a feud between Bryan and Shane, as the lovable underdog once again battles a heel McMahon authority figure.
Lashkar denies, condemns killing of Hajin youth
According to the Police local militants Mohd Saleem Parrey is believed to have played a major role in the killing of the youth. He identified foreign militants of LeT as Abu Muslim, Hubaib, Khalid, Abu Hamza and Haider.
Former Brazilian President to be jailed
He denies any wrongdoing in that case or in several other corruption cases that have yet to be tried. An appeals court upheld the ruling in January and increased the sentence to 12 years and one month.
Ravens sign QB Robert Griffin III to 1-year deal
In fact, it's Robert Griffin III , who last played in the National Football League back in 2016 with the Cleveland Browns . He was eventually benched for all of 2015 in favor of Kirk Cousins and released by the Redskins in 2016.