US Marines who are part of a military deployment ordered by President Donald Trump have arrived at the Wilshire Federal Building in Los Angeles, positioning them miles away from the areas where protests spurred by immigration raids have taken place.

The Marines will defend federal property and personnel, rather than operating law enforcement operations, according to an Army general.

How did Trump send in National Guard Troops and Marines to L.A.? An explainer of presidential authority and the limits of military law enforcement.