Biden Honors 9/11 Victims: 'Unity is our greatest strength'

Ahead of the 20th anniversary of the 9/11 attacks, US President Joe Biden delivered a moving tribute for the victims and stressed the importance of unity.

US President Joe Biden pays tribute to 9/11 victims and heroes. Credit:

In a six-minute video uploaded on Twitter, Biden said: "We learned that unity is the one thing that must never break. At our most vulnerable, in the push and pull of all that makes us human, in the battle for the soul America, unity is our greatest strength."

To honor victims and heroes of 9/11, Biden will visit all three sites where planes crashed"  New York City, Shanksville, PA., and the Pentagon.

He is expected to lay wreaths and pay tribute to those who perished in the tragedy.

Listen to his speech here: