CHICAGO (AP) — President Donald Trump's attempts to deploy the military in Democratic-led cities — over objections of mayors and governors — have brought a head-spinning array of court challenges and overlapping rulings.

As the U.S. Supreme Court ponders whether to clear the way for the National Guard in Chicago, a federal appeals court is hearing arguments in California Gov. Gavin Newsom's challenge to troop deployment in Los Angeles. Guard troops could also soon be on the ground in Portland, Oregon, pending legal developments there.

Here's what to know about legal efforts to block or deploy the National Guard in various cities.

Judge weighs Guard in Chicago while awaiting Supreme Court ruling

A federal judge in Chicago already blocked deployment of Guard troops to the Chicago area fo

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