Whom rescued the people on 911?

On September 11, 2001, rescue efforts were primarily led by firefighters, police officers, and emergency medical personnel from various agencies, including the New York City Fire Department (FDNY) and the New York Police Department (NYPD). Additionally, countless civilians and volunteers assisted in the rescue efforts, risking their lives to save others trapped in the World Trade Center. The collective bravery of these first responders and ordinary individuals played a crucial role in the immediate response to the attacks.