While Secretary of State Rex Tillerson was still asserting that the people of Syria could somehow determine Assad's fate rather than the worldwide community, Haley said: "We don't see a peaceful Syria with Assad in there".
As tensions rise over Syria, US president seems to walk away from campaign promise to improve ties with Moscow.
Pressure on Russia: China's break, taken with continued denunciations by the USA and its Western allies of Russian support of Assad, could raise the stakes for Russia.
And Stoltenberg, the secretary general, acknowledged a Trump campaign gripe - that many North Atlantic Treaty Organisation nations fail to pay 2 percent of GDP toward defense, often leaving the United States military to carry the burden. Trump appears to have embraced the fact that, like it or not, the USA can no longer "lead from behind".
Russian Federation on Wednesday vetoed a draft resolution submitted to the UN Security Council which demands that Damascus grant full access to UN inspectors at any military site in Syria, under the threat of military action.
"The vicious slaughter of innocent civilians with chemical weapons, including the barbaric killing of small and helpless children and babies, must be forcefully rejected by any nation that values human life", Trump said. Russian Federation made it clear it was unwilling to roll back its strategic alliance with Syrian President Bashar al-Assad.
The U.S. has blamed the Syrian government for launching a deadly chemical attack that killed over 80 people and struck a Syrian air force base in response. The commitment came as Russian Federation vetoed a United Nations resolution calling on the Syrian regime to co-operate with such an investigation, saying it was counter-productive.
Amid a fierce dispute over Syria, the United States and Russian Federation agreed Wednesday to work together on an worldwide investigation of a Syrian chemical weapons attack last week.
-Russian relations to one of the lowest points since the Cold War.
"We discussed at length the future role for Assad, whether it is in a future political process or not", Mr Tillerson said about his meeting with Mr Putin.
Beyond Syria, Russia's alleged meddling in the US presidential election also hovered over what was the first face-to-face encounter between Putin and any Trump administration Cabinet member.
He claimed the U.S. and the West were "hand-in-glove with the terrorists". "This has built for a long period of time, but we'll see what happens". "That is to say, the amount of information being exchanged is determined, as I understand it, depending on the situation".
Still, Tillerson sought to stress the positives from his meetings. "We hope that the USA president will become aware of that analysis", he said Thursday.
This is the eighth time during Syria's six year civil war that Moscow has used its veto power on the Security Council to shield Assad's government.
But such hopes appeared optimistic as the diplomats outlined their sharply diverging views on Syria. And he suggested that possible war crimes charges could be levied against the Syrian leader.
He added that "this outrage is abetted by Russia's continuing efforts to bury the truth and protect the Syrian regime" form consequences of using chemical weapons. US spending, too, has tapered off in recent years.
While the most immediate U.S.
However, Ja'afari, the Syrian envoy, dismissed as "lies" and "accusations" the notion that his country used "a chemical weapon we do not even possess".
Russian Federation has lots of questions about the "very ambiguous" and "contradictory" ideas coming from the US, Lavrov said.
Trump and others have indeed threatened similar action.
But in a Fox Business Network interview, the US president said he wouldn't intervene militarily against Assad unless the Syrian leader resorts to using weapons of mass destruction again. "We're going to see how that all works out".
As Tillerson sat down for talks with his Russian counterpart Sergei Lavrov on Wednesday, a senior Russian official assailed the "primitiveness and loutishness" of United States rhetoric, part of a volley of statements that appeared timed to maximize the awkwardness during the first visit to Moscow by a member of Trump's cabinet.