President Donald Trump’s administration filed suit Monday against Los Angeles, claiming the city is obstructing the enforcement of immigration laws and creating a lawless environment with its sanctuary policies that bar local police from sharing information on people without legal status.

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.

The Trump administration filed suit on Monday against the city of Los Angeles, claiming that its sanctuary city policies are illegal and interfere with the federal government’s effort to enforce immigration law.