CHICAGO (AP) — President Donald Trump’s attempts to deploy the military in Democratic-led cities — over the 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 the deployment of troops 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 t

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