Friday marks a somber anniversary, 25 years since a tragic incident. Events are planned to honor those who made the ultimate sacrifice. A ceremony will include a moment of silence and flags lowered to half-staff.

Further details about these events are available, including a remembrance ceremony and a day of service organized by a nonprofit. A former fire chief has shared thoughts about the impact of the incident. Those who want to participate or donate can find more information through the organization 9/11 Day.