9/11 survivors are being diagnosed with cancer 25 years after the attacks

Now PlayingUP NEXTTrump recalls acts of heroism aboard United 93 at Pentagon 9/11 ceremony01:25Trump mourns 'beautiful souls ripped from our world' at Pentagon 9/11 ceremony01:26Watch President Trump's full remarks at Pentagon's 9/11 ceremony on 25th anniversary17:38Moment of silence held in Shanksville for victims of United Flight 9301:40Condoleezza Rice recounts her memories from the 9/11 attacks10:26Moment of silence held at Pentagon 9/11 ceremony04:12Moment of silence held when second plane struck the World Trade Center01:219/11 victims’ names read aloud at ground zero as Yo-Yo Ma performs01:37First moment of silence takes place in New York for the 25th 9/11 anniversary02:389/11 first responders push for coverage of dementia04:34Two former DHS Secretaries say department needs a 'reset' 25 years after 9/1107:18Sons of 9/11 firefighter grew up to carry on their father's legacy02:54Sole 9/11 'triple survivor' reflects on attack 25 years later01:459/11 hero known as ‘man in the red bandana’ awarded Presidential Medal of Freedom02:01Special Report: Moment of silence marks 24 years since 9/11 terror attack03:27Biden, Harris mark 9/11 anniversary at Pentagon memorial00:45Daughters of 9/11 and Oct. 7 victims bond over their shared loss02:47Solemn remembrances mark 23 years since attacks of 9/1105:24This former flight attendant uses a beverage cart to honor 9/11 crew members08:18NBC News NOWNow Playing9/11 survivors are being diagnosed with cancer 25 years after the attacks05:28UP NEXTTrump recalls acts of heroism aboard United 93 at Pentagon 9/11 ceremony01:25Trump mourns 'beautiful souls ripped from our world' at Pentagon 9/11 ceremony01:26Watch President Trump's full remarks at Pentagon's 9/11 ceremony on 25th anniversary17:38Moment of silence held in Shanksville for victims of United Flight 9301:40Condoleezza Rice recounts her memories from the 9/11 attacks10:26