North Korea on Tuesday threatened to take "physical action" after the United Nations Security Council voted to impose new sanctions against the nation.

“Packs of wolves are coming in attack to strangle a nation,” said the North Korean statement, carried by the North's state-run Korean Central News, according to The New York Times.

“They should be mindful that the D.P.R.K.’s strategic steps accompanied by physical action will be taken mercilessly with the mobilization of all its national strength.”

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The Security Council voted Saturday to impose new sanctions against North Korea after the regime's recent intercontinental ballistic missile tests.

On Tuesday, Trump called for decisiveness in dealing with the North Korean threat.

"After many years of failure, countries are coming together to finally address the dangers posed by North Korea. We must be tough & decisive!" Trump tweeted Tuesday.

A poll released Tuesday, though, showed a majority of Americans are uneasy about the threat from North Korea and Trump's ability to handle it.

U.S. Ambassador to the United Nations Nikki Haley on Monday praised the Security Council for unanimously supporting the sanctions.

“At the end of the day, what we had to show them was, look how many more ICBM tests do we need to see before we do something?” Haley said during an interview with Fox News.