On the 12th anniversary of the Sept. 11 terror attacks, families wept for loved ones at the World Trade Center site, President Barack Obama held a moment of silence at the White House and mourners laid a wreath where Flight 93 crashed in Shanksville, Pa.
"Has it really been 12 years? Or 12 days? Sometimes it feels the same," said Michael Fox, whose brother, Jeffrey, perished in the south tower. "Sometimes I reach for the phone so I can call you, and we can talk about our kids like we used to do every day."
Bells tolled at 8:46 a.m. and 9:03 a.m. to mark the times the hijacked jets hit the towers and later when the skyscrapers fell. Nearly 3,000 people died in New York City, 184 at the Pentagon and 40 on Flight 93.
Here's a gallery of images from 9/11 commemorations around the country:
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