Russian Federation vetoed a US-drafted resolution on setting up a panel to identify the perpetrators of toxic gas attacks after chemical weapons were allegedly used in the rebel-held town of Douma.
The United States is proposing to establish the new panel for one year to work with the Organisation for the Prohibition of Chemical Weapons to identify perpetrators of chemical attacks.
The resolution needed at least nine "yes" votes in the 15-member council for approval, but only six countries voted in favor.
Ms Haley said the draft resolution was not impartial or independent since it would allow Russian Federation to veto investigators and staff for the new body - and to block its findings.
Global chemical weapons experts are expected to go to Douma to investigate the suspected poison gas attack.
A key issue being considered by US defense and intelligence agencies and war planners is the effectiveness of Syrian air defenses and the extent to which Russian Federation is helping to organize, and ultimately, direct Syrian air defense operations, according to two USA government sources.
Pierce earlier accused Russian Federation of abusing "the power of veto to protect Syria".
That panel had found that the Syrian air force had dropped sarin on the village of Khan Sheikhun in April of past year.
A key concern being thought of by US protection and intelligence companies and conflict planners is the effectiveness of Syrian air defenses and the extent to which Russian Federation helps to arrange, and finally, direct Syrian air protection operations, based on two USA authorities sources.
The US push for a new inquiry came amid heightened tensions over possible US military action in Syria, with Trump saying "major decisions" would be taken within 48 hours.
French President Emmanuel Macron stated on Tuesday that any strikes wouldn't goal the Syrian authorities's allies or anyone particularly, however could be aimed on the Syrian authorities's chemical amenities.
Mr Nebenzia said two groups of OPCW experts could be on the ground "as early as this week".
The mission will aim to determine whether banned munitions were used but will not assign blame. Russian Federation has countered that such a move would have "grave repercussions".
"Syria is eager on cooperating with the OPCW to uncover the reality behind the allegations that some Western sides have been promoting to justify their aggressive intentions", Syria's state information company SANA stated. However, no solid facts on the purported incident have emerged yet. Any plan by Washington and its allies to take military action was likely to be on hold until then, the source said.
Their evacuation restored Assad's control over eastern Ghouta, formerly the biggest rebel bastion near Damascus, and gave him his biggest battlefield victory since 2016, when he took back Aleppo. The Russian project would allow for a "robust on-site investigation, ensure procedure impartiality", which would be able to make "credible conclusions", China said, expressing regrets that the draft was not adopted. "We just have to hope that Moscow will not overreact when the strikes come". The Aquitaine is supplied with 16 cruise missiles and 16 surface-to-air missiles. It is now operating off Lebanon alongside USA ships as part of France's military contingent fighting Islamic State militants in Syria and Iraq.
Regardless of the worldwide revulsion over chemical weapons assaults, the loss of life toll from such incidents in Syria is barely a fraction of the tons of of 1000's of combatants and civilians killed for the reason that conflict started in 2011.