The suit cites a number of provisions of New York City code and other policies, including a 2011 provision that bars the Department of Correction from honoring civil immigration detainers from U.S. Immigration and Customs Enforcement and rules governing the NYPD that limit police officers' ability to cooperate with federal immigration authorities.

The Trump administration on Thursday sued New York City over local laws that limit cooperation with federal immigration enforcement, saying the statutes unlawfully thwart immigration arrests and conflict with federal immigration law.

The Justice Department on Thursday announced a lawsuit against New York City’s so-called sanctuary city policies, days after the Trump administration blamed those policies for the shooting of an off-duty US Customs and Border Protection officer in Manhattan.