The U.S. capital Washington sued Donald Trump on Friday over his attempted takeover of the city's police force, escalating a power struggle between the U.S. president and the city's leadership. D.C. Attorney General Brian Schwalb filed a lawsuit challenging Trump's attempt to take control of the district's police force,

The showdown in Washington is the latest attempt by Trump to test the boundaries of his legal authority to carry out his tough-on-crime agenda, relying on obscure statutes and a supposed state of emergency to speed up the mass deportation of people in the United States illegally.

A protest against Trump administration's effort to overhaul policing in the District of Columbia drew scores to Dupont Circle before a march to the White House. This is a photo gallery curated by AP photo editors.