Sens. Robert Menendez (D-N.J.), Kay Hagan (D-N.C.), Kelly Ayotte (R-N.H.) and John Cornyn (R-Texas) and Rep. Tim Scott (R-S.C.) and many other members of Congress tweeted in memory of Americans lost on this day in 2001.

At the 911 Memorial twitter.com/RepSteveIsrael…

— Steve Israel (@RepSteveIsrael) September 11, 2012

Honored to join with #NJ families of #Sept11 victims at the Empty Sky Memorial in #JerseyCity. We’ll never forget. twitter.com/FrankLautenber…

— Frank R. Lautenberg (@FrankLautenberg) September 10, 2012

The terrorist attacks shook our nation, but strengthened our resolve, and we must never forget the victims of that horrific day #911day

— Senator Kay Hagan (@SenatorHagan) September 11, 2012

We will #NeverForget the nearly 3000 souls, 700 New Jerseyans, we lost on #911day. My thoughts & prayers go out to victims’ family & friends

— Sen. Robert Menendez (@SenatorMenendez) September 11, 2012

As we call to mind those who were lost, we recommit ourselves to forever honor their memory. #NeverForget #911

— Kelly Ayotte (@KellyAyotte) September 11, 2012

We will never forget 9/11

— JohnCornyn (@JohnCornyn) September 11, 2012

11 years ago, everything changed.Well, almost everything. Our indomitable will remains. RIP to those lost; thank you to those who protect us

— Tim Scott (@RepTimScott) September 11, 2012