The Department of Justice alleges that Los Angeles' sanctuary city policies interfere with the federal government's ability to enforce immigration laws.

The mayor’s remarks came a day after Trump’s Department of Justice sued the city, saying its sanctuary law has hindered the federal government’s ability to combat "a crisis of illegal immigration."

The Justice Department filed a lawsuit Monday against the city of Los Angeles over its sanctuary laws that instruct local officials not to assist with federal immigration operations. The lawsuit, filed in the U.