September 11 attacks
The September 11 attacks (also referred to as 9/11) were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001. The attacks killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in infrastructure and property damage. Additional people died of 9/11-related cancer and respiratory diseases in the months and years following the attacks.
List of terrorist incidents in New York City
New York City, the largest and most populous city in the United States, has been the target of numerous acts of terrorism throughout the 20th and 21st centuries. The city, in particular, was one of the targets of the September 11 attacks, the single deadliest terrorist attack in history, which saw the destruction of the World Trade Center and the loss of 2,753 lives. The most recent fatal terrorist incident was a vehicle-ramming attack in Lower Manhattan, which killed eight people and injured eleven on October 31, 2017.