Chicago Police Supt. Larry Snelling said multiple federal agencies have told the Chicago Police Department they are focused on arresting undocumented immigrants who have been convicted of violent crimes.

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

The update comes hours after Mayor Brandon Johnson, along with the mayors of Boston, Denver and New York, were sent letters asking to testify before a Congressional committee on the city's "sanctuary city" policies.