A British Airways flight that flew over the burning Twin Towers on September 11, 2001, played a significant role in the events that followed the attacks. The flight's route and the subsequent actions taken by authorities were critical in shaping the response to the tragedy.
On that day, hijackers seized four US passenger jets. Two planes were deliberately crashed into the Twin Towers of the World Trade Center in New York, with the second strike occurring 17 minutes after the first. The buildings caught fire, trapping people on upper floors and engulfing the city in smoke. Within two hours, both 110-story towers collapsed in massive clouds of dust. A third plane destroyed the western face of the Pentagon, the headquarters of the US military near Washington D.C. The fourth plane crashed in a field in Pennsylvania after passengers attempted to fight back against the hijackers, with the intended target believed to be Washington's Capitol Building.
In total, 2,977 people, excluding the 19 hijackers, lost their lives. The majority of these casualties were in New York. At the Twin Towers, 2,606 people died, either at the time or later from injuries. At the Pentagon, 125 people were killed. The youngest victim was a two-year-old passenger, and the oldest was an 82-year-old passenger. When the first plane struck, an estimated 17,400 people were inside the two towers. No one survived above the impact zone in the North Tower, but 18 people escaped from above the impact zone in the South Tower. Victims came from 77 different countries, and New York City lost 441 first responders. Thousands more were injured or later developed illnesses related to the attacks.
The attacks were planned by an Islamist extremist network called al-Qaeda, led by Osama Bin Laden, who blamed the US and its allies for conflicts in the Muslim world. Khalid Sheikh Mohammad allegedly devised the plot and helped recruit the pilots. Fifteen of the hijackers were Saudi nationals, with others from the United Arab Emirates, Egypt, and Lebanon.
In response, less than a month after the attacks, then-US President George W. Bush led an international coalition in an invasion of Afghanistan to dismantle al-Qaeda and capture Bin Laden. Bin Laden was located and killed in Pakistan in 2011, while Khalid Sheikh Mohammad was arrested in Pakistan in 2003.