NEW YORK — Americans commemorated the 25th anniversary of 9/11 on Friday, remembering the shock, the dead and the sweeping consequences of the al-Qaida attacks on symbols of U.S. US marks years since with vigils silence and lasting grief Key points and original sources are listed below.

• NEW YORK — Americans commemorated the 25th anniversary of 9/11 on Friday, remembering the shock, the dead and the sweeping consequences of the al-Qaida attacks on symbols of U.S. might and prosperity. The milestone anniversary brought memorial rituals — wreath...S1

• US marks years since with vigils silence and lasting griefS2