U.S. President Donald Trump said on Monday he was deploying 800 National Guard troops to Washington and temporarily taking over the city's police department, an extraordinary assertion of presidential power in the nation's capital.

President Donald Trump has ordered 800 National Guard members to help law enforcement fight crime in Washington.

At an extraordinary news conference on Monday, President Donald Trump revealed plans to take over the Washington, D.C. police department and employ troops in a move he's said "will, essentially, stop violent crime in Washington,