A federal judge has blocked construction of President Donald Trump's $400 million White House ballroom, ruling the New York real estate developer does not have congressional authorization to continue the project.

"The President of the United States is the steward of the White House for future generations of First Families. He is not, however, the owner!” wrote U.S. District Judge Richard…

The Republican-appointed judge ruled that Trump was the "steward" of the White House, but not the "owner".