HOT AIR BALLOON FLIGHT

The man drove a black pickup onto the sidewalk of the Library of Congress at about 9:15 Thursday morning, and the police responded to a disturbance call, Chief J. Thomas Manger of the Capitol Police said in a news conference.

When the police arrived, the man said he had a bomb and one of the officers observed what appeared to be a detonator in his hand, Chief Manger said.

It was unclear whether he did actually have explosives.