The debate about new sanctions came after the US, along with France and the United Kingdom, launched military strikes on Friday night against Assad after a suspect chemical weapon attack against a rebel group in Douma one week earlier. And it shouldn't just be us doing it.
The United States also imposed sanctions on 24 Russians earlier this month over what USA intelligence agencies have said was interference in the US presidential election.
He said, "Ten days ago, President Trump wanted to withdraw from Syria".
"Everyone is going to feel it at this point", Ms Haley said, warning of consequences for Assad's foreign allies.
Haley made clear the United States won't be pulling troops out of Syria right away, saying USA involvement there "is not done".More news: Woolworths turning customers away following IT outage
"We wanted their friends Iran and Russian Federation to know that we meant business and that they were going to be feeling the pain from this as well".
"We are seeing the ruble devalued about 10 percent over the last several weeks", he says.
Asked Monday morning why it had taken 24 hours for the administration to walk back Haley's comments, one White House official told the paper that there had been "confusion" about what the plan was. The Pentagon said it gave no explicit warning.
Russian Federation has military forces, including air defenses, in several areas of Syria to support Assad in his long war against anti-government rebels.
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.More news: Novak Djokovic thrashes Dusan Lajovic in Monte Carlo opener
In his televised address from the White House on Friday, Trump said the US was prepared to keep up the economic, diplomatic and military pressure on Assad until he ends a pattern of killing his own people with internationally banned chemical weapons.
Washington has said it had proof that Syrian forces conducted a deadly chemical weapons attack on April 7, although a visit by chemical weapons inspectors to the suspected attack site was delayed on Monday.
"The president is going to continue to be tough on [Russia]", she said.
When asked on "Fox News Sunday" about "how our relationship with Russian Federation has changed this week", Haley said that relations are "very strained".More news: Bella Hadid and The Weeknd kissing at Coachella