(AP Photo/Amanda Loman)

A federal judge in Oregon on Saturday temporarily blocked the deployment of 200 National Guard troops to Portland.

U.S. District Judge Karin J. Immergut, an appointee of President Donald Trump , issued a temporary restraining order after Oregon and Portland sued. The order expires on Oct. 18 but could be extended.

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The ruling is a setback to the Trump administration’s use of military troops in some Democrat-run cities.

A federal judge in California last month ruled that the Trump administration's use of the National Guard and Marines in Los Angeles was illegal .

U.S. District Judge Charles Breyer in San Francisco ruled that the administration violated the Posse Comitatus A

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