Today, New York City and the nation mark 18 years since the September 11th terror attacks.
A somber ceremony will be held this morning in Lower Manhattan, where the names of those who died that day will be read aloud by family members.
Nearly 3,000 men, women and children were killed at the World Trade Center, the Pentagon and on United Airlines Flight 93. The names of those killed in the 1993 World Trade Center bombing will also be heard.
