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Demonstrators march through downtown Chicago, chanting and waving signs opposing ICE and troop deployment during an emergency protest on September 30, 2025 in Chicago. (Photo by Jacek Boczarski/Anadolu via Getty Images)

(CHICAGO) — The state of Illinois and city of Chicago filed a lawsuit Monday morning seeking to block President Donald Trump’s federalization and deployment of the National Guard. 

“The American people, regardless of where they reside, should not live under the threat of occupation by the United States military, particularly not simply because their city or state leadership has fallen out of a president’s favor,” the complaint said. 

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