National Guard members and U.S. Park Police are patrolling the Lincoln Memorial Reflecting Pool. The Trump administration faces a self-imposed July 4 deadline to fix issues from a renovation ahead of the nation's 250th anniversary.

The president also blamed damage to the renovations on “vandals,” and said multiple people have been arrested.

The president also blamed damage to the renovations on “vandals,” and said multiple people have been arrested.

The security presence comes as work crews began draining the Reflecting Pool to repair what Trump called damage from vandalism.