Haley insisted in multiple interviews on Sunday that the US's actions against the Syrian regime and its supporters, which include Russian Federation, have been aggressive.
In that case, he said it would be up to the United Nations to intervene. The treaty does, however, prohibit the use of chlorine as a weapon.
In an article for The Sunday Telegraph, he said: "Unless we act there is a risk of moral contamination, a coarsening and corruption of what we have until now thought to be acceptable".
A year later, the joint OPCW-U.N. panel determined the Syrian government had twice used helicopters to deploy chlorine against its opponents in civilian areas in northern Idlib province.
Mekdad declined to comment to reporters waiting outside the hotel where the meeting took place.
In a statement issued by the Kremlin, the Russian leader says Moscow is calling an emergency meeting of the United Nations' Security Council over the strike launched by the US, Britain and France.Putin added that the strike had a "destructive influence on the entire system of worldwide relations".
The Syrian government has to declare the entire stockpile of chemical weapons in order to resume the political dialogue in Geneva, US State Department Spokeswoman Heather Nauert said.
US Ambassador Nikki Haley told the council "there is clear information demonstrating Assad's culpability".
"Engaging our military in Syria when no direct threat to the United States exists and without prior congressional authorization would violate the separation of powers that is clearly delineated in the Constitution", they said.
She said the three USA goals for accomplishing its mission were making sure chemical weapons were not used in a way that could harm U.S. national interests, that the Islamic State group was defeated, and that there was a good vantage point to watch what Iran was doing.
United States air strikes on Syria lit up the Damascus sky on Friday. "Bombs won't save lives or bring about peace", Mr Corbyn said.
The Syrian president was in a "good mood" and continuing his work in Damascus, agencies cited the lawmakers as saying, and praised the Soviet-era air defense systems used by Syria to help to repel the Western attacks.
"Based on recent experience, we fully expect a significant disinformation campaign over the coming days by those who have aligned themselves with the Assad regime", said Mattis, adding that White and Lieutenant General Kenneth F. McKenzie would speak "in effort to maintain transparency and accuracy".
Russian Federation angrily accused Britain, France and the USA, the three nations involved in the airstrikes - all permanent members of the United Nations Security Council - of committing a "military crime" and convened an emergency session of the Security Council, the fifth this week. According to Russian Federation, 103 missiles were fired and 71 shot down, Dewey said.
Russian Federation filed a draft resolution condemning the missile attack as a violation of global law and the UN Charter, and demanding the U.S. and its allies cease aggression against Syria.
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