The September 11 attacks injured over 6,000 people and it was one of the deadliest attacks in U.S. history.
The attacks killed 2,996 people , injured over 6,000 others , and caused at least $ 10 billion in property and infrastructure damage .
It was the deadliest incident for firefighters and law enforcement officers in the history of the United States , with 343 and 72 killed respectively .	United States	United States	deadliest incident for firefighters	List of the deadliest firefighter disasters in the United States	law enforcement officers	List of American police officers killed in the line of duty	history of the United States	history of the United States	law enforcement	Law enforcement agency
