He spoke as the OPCW chemical weapons watchdog held an urgent meeting.
The UK ambassador to the OPCW (Organisation for the Prohibition of Chemical Weapons), Peter Wilson, quoted the organisation's director-general as saying they were still waiting. The OPCW previously said that "Syria and Russian Federation were concerned that security on the ground could not be guaranteed" for its team, but Lavrov echoed the Kremlin's prior "fabrication" claims outright.
"The attack on Douma was not reported by just a sole source in opposition to the regime".
"I can not be impolite to the heads of other states. but frankly speaking, all the evidence they quoted was based on media reports and social networks".
She said Russian Federation has blocked six attempts by the U.N. Security Council to make it easier to investigate the use of chemical weapons.
"The Syrian and the Russian officials who participated in the preparatory meetings in Damascus have informed the FFM (fact-finding mission) team that there were still pending security issues to be worked out before any deployment could take place".
Pentagon top brass told CBN News three specific targets were hit: A scientific research center north of Damascus, which was used for development, production, and testing of chemical weapons, was destroyed along with two other storage facilities.
"There is broad-based global support for the action we have taken", she will say.
Russian Federation and the West, he added, were facing a situation worse than during the Cold War due to a lack of channels of communication.
What else is happening today? European Union foreign ministers threatened similar measures.
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"Our job was never to take Assad out", Haley said, referring to Syrian President Bashar al-Assad.
Mr Macron maintained that he "never said" either the United States or France would stay engaged long-term in Syria in a military sense - hours after saying in a live Sunday interview that he had managed to change Mr Trump's mind on withdrawing troops.
"We are seeing the ruble devalued about 10 percent over the last several weeks", he says.
"The US mission has not changed - the President has been clear that he wants US forces to come home as quickly as possible", press secretary Sarah Sanders said in a statement. In a statement, she said "he wants US forces to come home as quickly as possible".
What was targeted on Saturday?
The US says 105 missiles were launched and it believes none were intercepted by Syrian defences.
A visit by chemical weapons inspectors to the site of a suspected gas attack in Syria was delayed on Monday, British and Russian officials said, as Western powers and Russia traded accusations in the aftermath of retaliatory USA -led missile strikes.
Trump tweeted "Mission Accomplished" on Saturday after US, French and British warplanes and ships launched more than 100 missiles almost unopposed by Syrian air defences.
Haley made the remarks in an interview on CBS, saying the Treasury Department would announce the new sanctions and insisted the US has sent "a strong message" about the use of chemical weapons.
Doctors at the hospital where suspected victims were treated told reporters on the tour that none of the patients that night had suffered chemical weapons injuries - they were asphyxiated by dust and smoke in a bombardment.