The city most associated with the "9/11" attacks is New York City. On the morning of September 11, 2001, terrorists hijacked four commercial planes. Two of these planes were flown into the Twin Towers of the World Trade Center in New York City, causing their collapse and resulting in the deaths of 2,606 people in the towers and surrounding area
. Other key locations involved in the 9/11 attacks include Arlington County, Virginia, where the Pentagon was struck by a third plane, and a rural field in Somerset County, Pennsylvania, where the fourth plane crashed after passengers attempted to regain control
. Thus, the city most directly linked to the 9/11 attacks is New York City.