The confused announcement and walk-back outlined in the report came just days after the USA, along with the United Kingdom and France, ordered strikes on Syrian facilities in retaliation for an alleged chemical weapons attack and as the Trump administration has ramped up criticism of Russian Federation for its support of Syrian leader Bashar al-Assad.
Haley also said the response by the Trump administration was "cumulative", taking into account not only the recent chemical weapons attack in Douma, but also other, smaller, attacks.
"Everyone is going to feel it at this point", Ms Haley said, warning of consequences for Assad's foreign allies.
"You will see that Russian sanctions will be coming down", Haley said.
Trump tweeted "Mission Accomplished" on Saturday after U.S., French and British warplanes and ships launched more than 100 missiles almost unopposed by Syrian air defenses. And they will go directly to any sort of companies that were dealing with equipment related to Assad and chemical weapons used.
His choice of words recalled a similar claim associated with President George W. Bush following the USA -led invasion of Iraq.
If the USA sanctions are enacted, they will be the second such batch in just over a year against Syria's weapons of mass destruction programme.
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Later Sunday, Trump sent a letter to congressional leaders informing them in writing of his decision to order the strike. "The president also wants the people in the region, our Gulf partners, to step up and do more, and he wants them to take on some of the financial responsibility of all of the military provided there in the region".
Haley also said the US won't be pulling troops out of Syria right away, saying their involvement there "is not done". "The global community will not allow chemical weapons to come back into our everyday life".
"I spoke to the president this morning and he said, "if the Syrian regime uses this poisonous gas again, the United States is locked and loaded", she said. "We convinced him to remain".
Monday's comment from the White House came in contrast to Haley's specific announcement on Sunday.
Trump reportedly lashed out at aides after the USA expelled 60 Russian diplomats last month, and he is also said to have told aides not to speak publicly about tough measures against Russia that he approves because he does not want to upset Putin. The Pentagon said it gave no explicit warning.
Increasing media reports suggest that Trump administration is planning this move to punish Russian Federation for enabling the Syrian government's use of chemical weapons in its civil war.
Although officials said the singular target was Assad's chemical weapons capability, his air force, including helicopters he allegedly has used to drop chemical weapons on civilians, were spared.