WASHINGTON (AP) — Police are investigating a report of a possible explosive device in a pickup truck outside the Library of Congress on Capitol Hill and have evacuated the area around the building. That’s according to two law enforcement officials who’ve spoken on condition of anonymity to The Associated Press. U.S. Capitol Police say officers are “responding to a suspicious vehicle near the Library of Congress.” The building is near the Capitol and the Supreme Court. Police have also evacuated the Cannon House Office Building. The law enforcement officials say investigators on the scene are working to determine whether the device iss an operable explosive and whether the man in the truck is holding a detonator.