Less than a week after assuming office, President Donald Trump launched a comprehensive initiative aimed at addressing undocumented migration in the United States. Key officials from the Trump administration,

President Trump's "Border czar" Tom Homan and other top officials oversaw immigration enforcement efforts in Chicago on Sunday, as ICE officials announced 956 arrests in one day on Sunday Why it matters: The largest number of single-day arrests announced by Immigration and Customs Enforcement since Trump took office last Monday and declared a national emergency on the U.

In a statement posted to social media, U.S. Immigration and Customs Enforcement (ICE) announced the effort alongside “federal partners.”

With two top Trump administration officials in Chicago, federal law enforcement began a “targeted” immigration blitz Sunday, according to a spokesman for U.S. Immigration and Customs Enforcement. The agency did not say how many arrests have taken place so far.

As much of the nation watched Trump take office for the second time in history, a border agent in Vermont was reportedly shot dead by a migrant.

U.S. and Mexican forces worked together to shut down a cross-border tunnel used by smugglers to bring illicit cargo into the United States, authorities said.

Teresa Youngblut, 21 from Washington, has been arrested in connection to the fatal shooting of a border patrol agent in Vermont on Monday.

David “Chris” Maland, the Border Patrol agent killed Monday, was shot while conducting a traffic stop in a Vermont town near the Canadian border, according to the FBI’s latest update on the case.

ICE, along with several other federal agencies, began what they called "enhanced targeted operations" on Sunday in Chicago.

The FBI is investigating a Border Patrol agent-involved shooting, according to a statement from the Vermont State Police.

Targeted immigration enforcement operations 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,