Rob Fazio has attended the ground zero ceremony each year since 9/11 - his father, Ronald Carl Fazio, was among the victims.
Americans commemorated 9/11 on Monday with tear-streaked tributes, a presidential warning to terrorists and appeals from victims' relatives for unity and hope 16 years after the deadliest terrorist attack on USA soil.
Trump observed a moment of silence at the White House in remembrance of the almost 3,000 people who were killed.
Trump's entire conversation with the news station lasted around 10 minutes. "And it did not matter what color you were or where you were from", said a tearful Magaly Lemagne, who lost her brother, Port Authority of NY and New Jersey police officer David Lemagne.
"Our country came together that day".
David Beckham does not interfere in wifes work
I'm very, very lucky to have the job that I have, the family that I have. If she wants to run around and get dirty, that's completely fine.
When America is united, "no force on earth can break us apart", he said.
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And as devastating hurricanes dominate the news amid this year's 9/11 remembrances, one heartening byproduct is how citizens of every race and religion have helped each other in the recovery process - just as they did on September 11, 2001, and the weeks and months afterward.
A ceremony was also held at the memorial near the Shanksville site where a hijacked plane crashed as passengers tried to overcome the terrorists onboard. "It's where I get my strength".
The U.S. on Monday is marking the 16th anniversary of the terrorist attack that killed almost 3,000. The reading paused shortly after 9 a.m. for a second moment of silence heralded by the ringing of a bell, to mark the time when the second tower was struck.