Twenty-five years after 9/11, officials, families and former presidents will gather to honor those killed in the attacks. Moments of silence will also recognize people who have died from related illnesses. Nearly 160,000 people are registered with the World Tr

Twenty-five years after 9/11, officials, families and former presidents will gather to honor those killed in the attacks. Moments of silence will also recognize people who have died from related illnesses. Nearly 160,000 people are registered with the World Trade Center Health Program, and about 9,000 deaths have been linked to 9/11-related illnesses, including cancer caused by toxic dust. ▻