Trump’s D.C. arch is up against new legal action. What to know about the latest lawsuit

The lawsuit claims the construction project hasn’t gone through the full review process.

A plane flies over an anti-arch structure lifted up by demonstrators at Memorial Circle to protest the proposed Triumphal Arch, Thursday, Oct. 1, 2026, in Arlington, Va. [Photo: Allison Robbert/AP Photo]

The Arlington County Board in Virginia filed a lawsuit Thursday opposing the construction of the Triumphal Arch, becoming the first governmental body to take legal action against President Donald Trump’s planned monument.The lawsuit, filed in the Eastern District of Virginia, criticized the speed at which the project slated for Memorial Circle has moved without going through the full review process.“The National Park Service, the agency responsible for projects on national park land such........

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