U.S. Park Police told the outlet that they negotiated with the man, who they said is emotionally distressed. The man was reportedly taken to a hospital for psychiatric evaluation after getting out of the tree.
Police closed the surrounding area, telling the news site that it will be closed for the remainder of the evening. Some tree lights were damaged, according to NBC4.
The Hill has reached out to D.C. police and U.S. Park Police for comment.
The tree, located on the Ellipse near the White House, is a popular winter attraction for Washington tourists.