What kinds of casualties were caused by the attacks?
The collapse of the towers killed nearly all who remained alive inside, including hundreds of first responders, and many in the underground concourse, the Marriott hotel, and in the nearby vicinity. Of the 17,400 people estimated to have been in the towers at the time of the first attack, more than 15,000 were able to safely evacuate the buildings, including approximately 3,000 who left the South Tower in the seventeen minutes before it was hit. The attacks on the WTC resulted in 2,749 fatalities (excluding the terrorists), injury to hundreds, and the complete collapse of all seven World Trade Center buildings, as well as damage to structures in the vicinity. The FDNY, which lost 343 of its members, suffered the largest loss of life of any emergency response agency in history. The PAPD, which lost 37 of its members, suffered the largest loss of life of any police force in history. The NYPD, which lost 23 of its members, suffered the second largest loss of life of any police force in th
