The Trump administration has taken a significant step in its ongoing battle against sanctuary cities, filing a lawsuit against New York City’s laws that limit cooperation with federal immigration authorities. The lawsuit, filed in the Southern District of New York, claims that the city’s sanctuary laws, which restrict the sharing of information about undocumented immigrants with federal authorities, are in conflict with federal law. The administration argues that these laws hinder the ability of federal immigration agents to enforce immigration laws and remove undocumented immigrants from the country. The lawsuit specifically targets the city’s laws that prohibit local law enforcement from inquiring about an individual’s immigration status and from sharing information about undocumented immigrants with federal authorities. The Trump administration has long been critical of sanctuary cities, which it claims provide a safe haven for undocumented immigrants and hinder the enforcement of federal immigration laws. The lawsuit is the latest salvo in the administration’s efforts to crack down on sanctuary cities, which have been a major point of contention between the administration and Democratic-led cities and states. New York City has been a particular target of the administration’s ire, with the city’s mayor, Bill de Blasio, being a vocal critic of the administration’s immigration policies. The city’s sanctuary laws have been in place since 2014, and have been the subject of controversy and debate. The lawsuit alleges that the city’s laws are in violation of federal law, specifically the Immigration and Nationality Act, which requires local authorities to cooperate with federal immigration authorities. The administration is seeking a court order that would require the city to comply with federal immigration laws and cooperate with federal immigration authorities. The lawsuit is likely to be met with resistance from the city, which has vowed to defend its sanctuary laws. The city’s lawyers have argued that the laws are necessary to protect the rights of undocumented immigrants and to ensure that they feel safe reporting crimes to the police. The lawsuit is also likely to be seen as a political move, with the administration seeking to appeal to its base by taking a tough stance on immigration. The outcome of the lawsuit is uncertain, but it is likely to have significant implications for the city and for the administration’s efforts to enforce federal immigration laws. The lawsuit is part of a broader effort by the administration to crack down on sanctuary cities, which has included withholding federal funding from cities that do not cooperate with federal immigration authorities. The administration has also sought to increase deportations and to build a wall along the US-Mexico border. The lawsuit has been met with criticism from immigrant advocacy groups, which argue that it is an attempt to intimidate and bully cities into complying with the administration’s immigration policies. The groups argue that the lawsuit will have a chilling effect on undocumented immigrants, who will be less likely to report crimes or cooperate with law enforcement if they fear that their information will be shared with federal immigration authorities.