(NewsNation) — Illinois Gov. JB Pritzker will hold a news conference Thursday to discuss the militarization of American cities.

He is scheduled to appear with former generals and admirals as tensions heighten between Democratic-run cities and the Trump administration.

President Donald Trump has deployed the National Guard to Washington, D.C., and Memphis, where he has vowed to continue using troops to fight crime over the objections of local leaders.

Trump has also tried to use the National Guard in Chicago and Portland, but those directives have been slowed by court battles.

A judge also ruled an earlier deployment to Los Angeles was in violation of the Posse Comitatus Act, which prohibits the military from acting as domestic law enforcement.

Trump has floated sending troops to other

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