The lawsuit contends that the sanctuary laws -- in which local law enforcement officials refuse to assist immigration enforcement efforts -- are illegal.

Donald Trump is ramping up his war against liberal 'sanctuary city' Los Angeles with a new major lawsuit.

The lawsuit claims sanctuary city laws “intentionally discriminate against the Federal Government.”

The Trump administration sues Los Angeles over sanctuary policies after protests in riots in the city earlier this month against federal immigration authorities.

President Donald Trump’s administration has sued Los Angeles, claiming the city is obstructing the enforcement of federal immigration laws and creating a lawless environment.

The Justice Department alleged in the lawsuit that L.A.'s sanctuary city policies are "illegal."