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Retired NYPD Chief of Detectives Bob Boyce reflects on responding to 9/11 and preserving the legacy of officers lost in the years since.

The singer's family members and business associates are also named in the suit.

The 9/11 Memorial & Museum added a seventh moment of silence at this year's ceremony to honor those who have died of illnesses related to their time at or near the World Trade Center site.

New York City is experiencing another cluster of Legionnaires' disease just weeks after a cluster exposure in Manhattan was declared over.

Some family members of 9/11 victims used the 25th anniversary ceremonies to openly call on the president to hold Saudi Arabia accountable for the attacks.

9/11 first responders' exposure to air pollution and extreme heat in the neighborhoods they live in compounded poor health outcomes, a new study finds.

Nearly 3,000 people lost their lives in the terror attacks on Sept. 11, 2001.

President Donald Trump defended his proposal to give Americans a $5,000 "dividend" as a "reward" for voters who he says endured the Biden administration.

Presidential historian Mark Updegrove says the events of Sept. 11 are "seared into the consciousness of Americans."

Former President Barack Obama, former President Joe Biden, former President George W. Bush and their wives are at Friday morning's New York City 9/11 ceremony.