The state of Illinois and the city of Chicago filed suit against the Trump administration on Monday, arguing that the Defense Department's deployment of both Illinois and Texas National Guard members to Chicago is unlawful and unconstitutional.

The suit, filed in the U.S. District Court of the Northern District of Illinois, comes after Defense Secretary Pete Hegseth federalized 300 members of the Illinois National Guard on Saturday and an additional 400 troops from the state of Texas on Sunday. Both deployments are believed to be going to Chicago and are opposed by Illinois Democratic Gov. J.B. Pritzker.

"The Trump Administration's Department of War gave me an ultimatum: call up your troops, or we will," Pritzer wrote in a statement after learning of the Illinois guard deployment, callin

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