CHICAGO (CBS) — Targeted immigration efforts by multiple agencies were launched in Chicago Sunday, with top Trump administration officials in the city to oversee it all.

One of President Trump’s many campaign slogans was, “promises made, promises kept.” Now, after months of vowing to deport undocumented immigrants from Chicago, the first images of U.S. Immigration and Customs Enforcement doing so have surfaced.

Acting Deputy Attorney General Emil Bove, appointed by President Trump, will oversee the efforts of the FBI, Drug Enforcement Administration, Bureau of Alcohol, Tobacco, Firearms and Explosives, U.S. Marshals Service, and federal prosecutors, two U.S. officials familiar with the operation told CBS News.

Bove said in a statement:

“This morning, I had the privilege of observing brave men and women of the Department deploying in lockstep with DHS to address a national emergency arising from four years of failed immigration policy. In Chicago, and across the country, FBI, DEA, ATF, USMS, and federal prosecutors are working with DHS to secure the border, stop this invasion, and make America safe again. We will support everyone at the federal, state, and local levels who joins this critical mission to take back our communities. We will use all available tools to address obstruction and other unlawful impediments to our efforts to protect the homeland. Most importantly, we will not rest until the work is done.”   

Department officials also confirmed that border czar Tom Homan was embedded with U.S. Immigration and Customs Enforcement officers during the operation.

“You’re going to see the numbers steadily increase, the number of arrests nationwide as we open up the aperture,” Homan said. “Right now, it’s concentrating on public safety threats, national security threats. That’s a smaller population.”

 Multiple sources told CBS News Chicago that those upon whom ICE was focusing Sunday have active warrants.

It was unclear late Sunday where the locations for the enforcement efforts were, or what specific actions were planned to take place. However, ICE confirmed that it conducted immigration arrests in the city on Sunday, with assistance from the Justice Department law enforcement agencies that were recently given immigration powers.  

In a statement, ICE said:

“U.S. Immigration and Customs Enforcement, along with federal partners, including the FBI, ATF, DEA, CBP and the U.S. Marshals Service, began conducting enhanced targeted operations today in Chicago to enforce U.S. immigration law and preserve public safety and national security by keeping potentially dangerous criminal aliens out of our communities.”

The FBI, in a statement, said:

The FBI, along with our Department of Justice partners, is assisting DHS and other federal law enforcement partners with their immigration enforcement efforts. 

The Drug Enforcement Agency in Chicago shared in a post on X: 

“The DEA, along with our @TheJusticeDept partners, is assisting @DHSgov and other federal law enforcement partners with their immigration enforcement efforts.”

Illinois Gov. JB Pritzker said he supports any mission to remove convicted criminals who are undocumented.

“If that’s who they’re picking up, were all for it,” Pritzker said on CNN Sunday.

However, Pritzker expressed his concern that the Trump administration will not stop there.

“What they’re also doing though — and it’s quite disturbing — is they’re’ going after people who are law abiding, who are holding down jobs, who have families here, who may have been here for a decade or two decades -— and they’re often our neighbors and our friends,” said Pritzker, “and why are we going after them? These are not people who are causing problems in this country, and we need to secure a path to citizenship for them.”

Homan confirmed other undocumented individuals would be subject to deportation efforts by ICE. He said Sunday, “If you’re in the country illegally, you’re on the table.”

Chicago Police said the “department does not assist federal immigration authorities with enforcement action solely based on immigration status” and “does not document immigration status and does not share such information with federal authorities.” That’s in accordance with the City of Chicago’s Municipal Code, which includes the Welcoming City Ordinance.

Bove’s presence in Chicago comes after thousands protested against Trump’s immigration policies in downtown Chicago on Saturday—calling on the Trump administration to end violence in Gaza and halt plans for deportations. 

Some immigrant rights groups in the city have also filed a federal lawsuit against the administration Saturday, claiming the president’s plans for immigration raids merely target the city over its sanctuary status and violate the U.S. Constitution.

This is a developing story. Check back for updates.

contributed to this report.