Never Forget: Fourth moment’s silence observed

09:59AM – The fourth moment’s silence has been observed to mark the collapse of the South tower.

Two more moment’s of silence are now left as the families continue to remember their lost loved ones.

The observance ceremony to commemorate the 20th anniversary of the Sep. 11, 2001 attacks is now underway in Shanksville, Pennsylvania.

Flight 93 crashed at 10:03AM and the names of those killed in the crash will be read aloud.

President George W. Bush will deliver remarks in the ceremony open to the families of those lost and other invited guests.

Chairman of the Joint Chiefs Mark Milley has also paid tribute to the 9/11 victims and service members who lost their lives in the Afghanistan war.

He has also urged Americans to unite and stand up to hatred.