From Washington: A ceremony was held to mark a significant anniversary. The president and first lady attended, listening as names of those killed were read. This event honored the lives lost when planes were hijacked, resulting in nearly 3,000 deaths.

The ceremony took place at a building that was struck by one of the planes. A large flag was unfurled outside the building in a morning ceremony.

Further details about the ceremony and its participants are available from the source, including the president's connection to the affected area and his history of marking this anniversary.