The Pentagon said the strikes targeted a research centre in Damascus and a chemical weapons storage facility and command post west of Homs.
The UN Security Council is to meet again on Friday, at Russia's request, to try to defuse the standoff, as United States President Donald Trump appeared to back away from imminent action, days after warning Russian Federation to "get ready" for missile strikes.
Russian Federation has been a staunch ally of Syrian President Bashar Assad's government and has helped turn the tide of war in his favor since entering the conflict in September 2015.
He also criticised the United States for "insulting" Putin, an apparent reference to Trump calling out his counterpart for his support of Syrian leader Bashar al-Assad. Last year, the United States launched a retaliatory strike after one was said to have taken place in Khan Sheikhoun.
"Russia must decide if it will continue down this dark path, or if it will join with civilized nations as a force for stability and peace". Russia vetoed a USA text, while two Russian-drafted resolutions failed to get a minimum nine votes to pass.
Zidane sick of Real 'robbery' jibes after Juve game
Los Blancos are now in fourth place in the league and know that a victory will see them leap-frog Valencia into third place. As expected, the focus of Zidane's press duties concerned Madrid's controversial Champions League victory over Juventus .
US Defence Secretary Jim Mattis said the strikes were a "one-time shot" and that no additional airstrikes were now planned.
Zakharova suggested that Western media bore some responsibility for the strikes, claiming the White House cited "multiple media sources" on the suspected chemical weapons attack in Douma.
He noted that OPCW's report didn't contain any mention of BZ, adding that Russian Federation will ask the chemical weapons watchdog for an explanation.
Lavrov warned against US military "adventures" in the country, but signaled that Russian Federation remains open for negotiations.
"The worst apprehensions have come true". "Our warnings have been left unheard".
How to Watch the 2018 ACM Awards
The shooting last October was the country's deadliest mass shooting. "I have one really awful memory from Las Vegas but I have a thousand great ones".
In his primetime address announcing the strikes, Trump accused Russian President Vladimir Putin and his government of failing to guarantee a 2013 deal that was supposed to rid Assad of his chemical weapons.
Eight countries voted against the Russian-drafted text on Saturday, while Peru, Kazakhstan, Ethiopia and Equatorial Guinea abstained.
"The targets tonight again were specifically designed to degrade the Syrian war machine's ability to create chemical weapons and to set that back", Mattis said.
"By continuing to employ chemical weapons against innocent Syrian civilians, the Assad regime has violated global law and abandoned its own commitments to the worldwide community", she told reporters.
"The current escalation of the situation around Syria has a devastating impact on the whole system of global relations", he added.
No 'final decision' from Trump on Syria
It was not clear whether the presence of the investigators could affect the timing of any US military action. National security experts anxious about whether strikes would actually serve to deter Assad.
On the pending decision on air strikes, Mr Yakovenko said military action could be a pretext to "cover up all the evidence or lack thereof on the ground", and likened it to former Prime Minister Tony Blair's decision to go to war in Iraq in 2003.