The US justice department has filed a lawsuit against Chicago, accusing local officials of impeding federal immigration enforcement efforts amid Donald Trump's drive to ramp up deportations.

Illinois Democratic Gov. JB Pritzker says the state follows the law. President Donald Trump has often singled out Chicago and Illinois, which have some of the strongest sanctuary laws in the U.S.

The Trump administration filed a lawsuit against Chicago, Cook County and the state of Illinois for sanctuary policies that restrict