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

National leaders, families of victims, and law enforcement officials will gather at ground zero in Manhattan to honor the victims, survivors, and heroes on the 25th anniversary of the Sept. 11, 2001, terrorist attacks on the World Trade Center.THE WORLD TRADE CENTER TERRORIST WHO GOT AWAY Recommended Stories The New York City ceremony will begin around 8:30 a.m. on Friday morning, bringing together officials including Vice President JD Vance, New York Mayor Zohran Mamdani, and former Presidents Joe Biden, Barack Obama, George W. Bush, and Bill Clinton. President Donald Trump will attend a ceremony at the Pentagon, the site of another one of the terrorist attacks on Sept. 11.Friday marks a quarter-century since al Qaeda’s hijacking of four planes in attacks that killed nearly 3,000 Americans, as well as thousands more in the years after. Two planes hijacked by the terrorists hit the Twin Towers on Sept. 11, the first striking the North Tower at around 8:45 a.m. and the second striking the South Tower at around 9 a.m.