Vice President Pence slammed Oakland Mayor Libby Schaaf (D) on Monday, saying her actions warning residents of upcoming Immigration and Customs Enforcement (ICE) raids were "utterly unacceptable."

"The mayor's actions are disgraceful on a couple levels. Number one, she's setting aside her oath of office to uphold the laws of the land, the rule of law," Pence told Sean Hannity on Fox News.

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"I spoke to the attorney general about this. The majority of individuals who are being targeted by immigration and customs enforcement had a criminal record. So for the mayor of Oakland to warn them in advance of actions by ICE personnel actually put those law enforcement officers at risk; that's just utterly unacceptable," he said.

President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE criticized Schaaf at a Cabinet meeting last week, calling her a "disgrace."

“What the mayor of Oakland did the other day was a disgrace. Where they had close to a thousand people, ready to be gotten, ready to be taken off the streets. … The mayor of Oakland went out, and she went out and warned them all: scatter,” Trump said.

“So instead of taking in a thousand, they took in a fraction of that, about 150,” he continued. “It’s certainly something we’re looking at with respect to her, individually."

Schaaf warned residents of upcoming raids in the Bay Area last month.

The mayor also drew the ire of Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE last week, who called her out in remarks announcing a lawsuit against California for its "sanctuary city" laws.

“How dare you needlessly endanger the lives of our law enforcement officers to promote a radical open borders agenda," Sessions said.

Schaaf fired back in a speech last week.

"How dare you vilify members of our community by trying to frighten the American public into thinking all undocumented residents are dangerous criminals,” she said.