The park police is now warning the protesters to leave. They have given three warnings over a loud speaker, and moved up to the barricade. Several rows of officers in the far part of this picture — mounted on horses and on foot. 
The protests have been peaceful. Curfew in DC isn’t until 7. The street is closed. It’s not clear why they’re being asked to move.
The police moved in with flash bangs and tear gas. Protesters are now moving down the street.
Less than ten minutes later, here’s what that same spot looks like now.
