Mixed martial arts

The filing Saturday by the Public Integrity Project on behalf of two Virginia residents contends the Trump administration’s authorization of the June 14 event was unlawful. The lawsuit says such approval violated National Park Service regulations prohibiting sporting events on federal parklands, Congress did not consent to the towering arch overlooking the event space and no environmental review was conducted before the construction.

“This is fundamentally a private, commercial, corrupt use of our most sacred national monuments for private gain,” said Brendan Ballou, a lawyer for the plaintiffs. “And that is what is motivating this lawsuit.”