CHICAGO (AP) — Illinois leaders went to court Monday to stop President Donald Trump from sending National Guard troops to Chicago, escalating a clash between Democratic-led states and the Republican administration during an aggressive immigration enforcement operation in the nation’s third-largest city.

The legal challenge came hours after a judge blocked the Guard's deployment in Portland, Oregon.

The lawsuit in Chicago also raised the stakes after a violent weekend: Authorities said a woman was shot by a federal agent when Border Patrol vehicles were boxed in and struck by other vehicles. The city's police superintendent rejected suggestions that his officers were on the government's side in volatile situations like that one.

The Trump administration has portrayed the cities as war-ra

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