WATCH LIVE: Mamdani, Vance, and former presidents gather at ground zero for 9/11 memorial

National leaders, including Vice President Vance and former presidents, are gathering at Ground Zero in Manhattan to honor victims, survivors, and heroes on the 25th anniversary of the September 11, 2001, terrorist attacks. Simultaneously, President Trump and Defense Secretary Pete Hegseth will attend a remembrance ceremony at the Pentagon. These events bring together families of victims and law enforcement officials as America pauses to remember the attacks on the World Trade Center and the Pentagon.