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Democratic lawmakers argue the Trump administration must get express consent from Congress before continuing construction on the White House ballroom.
Attorney General Todd Blanche said the ballroom is "being constructed for the physical safety and security of all Presidents, their families, staff, Foreign Dignitaries, and guests."
"I think it's just disrespectful to those that I served with who didn't come back," a veteran suing to stop construction of the arch told CBS News.
Acting Attorney General Todd Blanche has asked a federal judge to overturn the judge's own ruling that blocked construction of the White House ballroom, in the wake of the White House Correspondents' Dinner shooting.
President Trump was safely evacuated from the White House Correspondents' Dinner Saturday night following a shooting outside the ballroom of the Washington Hilton Hotel.
The agreement, which was signed this fall, ensures donor anonymity, establishes a fee structure and institutes a ban on foreign contributions.
The plans call for the arch to be built on Columbia Island, a man-made strip of land in the Potomac River that is part of Washington, D.C.
But underground construction work on a presidential bunker underneath the ballroom can continue, the judge said.
The building sits across a driveway from the West Wing and was completed in 1888.
Plans submitted by the Interior Department show the triumphal arch would be 250 feet tall, the tallest triumphal arch in the world.
The government's legal bid to continue East Wing construction has the hallmarks of President Trump's social media posts.
The commission, which is chaired by a White House staffer, voted 9 to 1 to approve the design, which includes a ballroom with seating for 1,000 guests.
A federal judge has temporarily blocked the Trump administration's construction of a 90,000-square-foot ballroom to replace the White House's East Wing,
Lawmakers and President Trump appear to be edging closer to a framework to wrap up the Department of Homeland Security shutdown — but a breakthrough has remained out of reach. CBS News contacted every House and Senate office to ask what they're doing to end the shutdown.
The suspect, who was killed following the shooting, had previously been imprisoned for several years for trying to support ISIS, the FBI said.