Officials say a U.S. Park Police officer was assaulted by an “illegal vendor” in Southwest D.C. Friday evening.

Washington’s police department chief said Trump’s move would threaten law and order by upending the command structure.

The District of Columbia's attorney general sued Donald Trump on Friday (Aug 15) in a bid to impede his attempted takeover of ...

Trump administration reverses course and agrees to leave DC police chief in control of department after court hearing.

Watch ABC News' live coverage of the press conference with President Donald Trump and Russian President Vladimir Putin ...