Sept 11 (Reuters) - The anniversary of the Sept. 11 attacks again brings with it a resurgence of the tragic emotions that have dominated the social and political discourse in the United States over the past six years.

Following is a breakdown of the 2,992 people killed in the attacks:

* NEW YORK'S WORLD TRADE CENTER: 2,759 including nine crew, 76 passengers and five hijackers on American Airlines Flight 11 and nine crew, 51 passengers and five hijackers aboard United Airlines Flight 175, which flew into the World Trade Center's twin towers. According to court papers filed in March by family members of those killed in the attacks, the remains of about 40 percent of the victims were never recovered, and hundreds of bone fragments were discovered in and around the site in late 2006 and early 2007.

* PENTAGON: 189 people, including 125 at the Pentagon, six crew members, 53 passengers and five hijackers on board American Airlines Flight 77, which struck the Pentagon outside Washington.

* PENNSYLVANIA: 44 people, including seven crew members, 33 passengers and four hijackers on board United Airlines Flight 93, which crashed in a field near Shanksville, Pennsylvania.

Sources: Reuters, U.S. Department of Defense, New York City Office of Chief Medical Examiner, National Commission on Terrorist Attacks Upon the United States.

AlertNet news is provided by