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

The Department of Justice is suing the city of Los Angeles over its sanctuary city policy, alleging it interferes with the enforcement of federal immigration laws, officials announced on Monday."The challenged law and policies of the City of Los Angeles obstruct the Federal Government's enforcement of federal immigration law and impede consultation and communication between federal,

The Trump Administration is suing Los Angeles over sanctuary city policies that limit the city’s cooperation with federal immigration enforcement, claiming that they led to “lawlessness” when thousands of people took to the streets earlier this month to protest the President’s mass-deportation operation.