
US marking 25 years since the Sept. 11 attacks
Americans are commemorating the 25th anniversary of 9/11, remembering the shock, the dead and the sweeping consequences of the al-Qaida attacks on symbols of U.S. might and prosperity.
Friday's milestone anniversary will bring memorial rituals - wreath-laying, flag-flying, moments of silence, vigils and readings of victims' names - and volunteer projects in tribute to a day that about half of U.S. adults remember as the most historic event of their lifetime, according to a new poll.
Traditionally, there are no political speeches at the New York commemoration, where relatives read all the victims' names, punctuated with moments of silence at key points in the attack timeline. For the first time, this year's ceremony will add a silent moment to honor people who were exposed to the clouds of toxic dust released by the twin towers' fiery collapse and have since died of cancer and other illnesses. Questions remain about how many people developed health problems linked to the dust














