Lawyers said the judge's order is "threatening grave national-security harms to the White House, the President and his family, and the President's staff."

Despite approval from the National Capital Planning Commission's approval, a federal judge's ruling asserts that Congress must also approve the project.

Lawyers said the judge's order is "threatening grave national-security harms to the White House, the President and his family, and the President's staff."

US National Park Service lawyers cite materials that will be installed to make ‘heavily fortified’ facility

Trump administration files emergency motion to resume White House ballroom construction, citing critical national security risks from halted work.

The Trump administration is arguing that a judge’s order to halt construction of a $400 million ballroom creates a security risk for the president.

An emergency motion argues that the pause on construction leaves the White House ‘open and exposed’. Key US politics stories from Saturday 4 April at a glance