20th anniversary of first attack on World Trade Center
Updated: Tuesday, February 26 2013, 08:49 AM EST
NEW YORK (NEWSCHANNEL 3) - Tuesday marks the 20th anniversary of the first terrorist attack on the World Trade Center.
A car bomb was detonated in the parking garage of Tower One.
Six people were killed. More than a thousand others were injured.
A ceremony is planned at noon Tuesday to honor the victims.