On the 20th anniversary of the 9/11 attacks, the nation pauses to remember.
Ceremonies take place at memorials in New York City; Shanksville, Pennsylvania; and at the Pentagon in Arlington, Virginia.
President Biden is visiting all three sites to pay respects, and former president George W. Bush will speak at the Flight 93 Memorial in Pennsylvania.
Watch the live coverage below, beginning at 7:30 am CT on Saturday, September 11.