Today marks 24 years since the Sept. 11, 2001 terror attacks, when hijackers crashed four passenger jets, two of them into the World Trade Center.

Watch live as the 9/11 terrorist attacks are remembered 24 years later. Events are scheduled to be held in New York City and at the Pentagon.

The 9/11 Foundation of South Carolina will pay tribute to First Responders and Military Service Members whose lives were lost.

Massachusetts will mark 24 years since the 9/11 terrorist attacks with remembrance ceremonies, a recognition of heroism and a day of service in Boston.

The U.S. will honor the victims of Sept. 11, 2001, during an annual remembrance ceremony Thursday morning at Ground Zero in New York City. According to the 9/11 Memorial & Museum, 2,977 people died during the terrorist attacks — including 2,