9/11 Terror attacks: 10 SHOCKING facts about World trade Centre attack

The 9/11 attacks were a series of terrorist attacks carried out by al-Qaeda

Terrorists hijacked four passenger planes - American Airlines Flight 11, United Airlines Flight 175, American Airlines Flight 77, and United Airlines Flight 93

Flight 11 and Flight 175 were crashed into the Twin Towers of the World Trade Center in New York

Flight 77 was crashed into the Pentagon, located near Washington DC

Flight 93 crashed in a field in Pennsylvania when passengers tried to regain control of the plane from the terrorists

The attacks resulted in the deaths of nearly 2,996 people, including passengers and crew members on the planes

Both buildings of the World Trade Center collapsed; the South Tower at 9:59 a.m. and the North Tower at 10:28 a.m

The attacks also caused significant damage to surrounding buildings and infrastructure

Following 9/11, major changes were made to air travel regulations and airport security

Several memorials were built in memory of the victims of the attacks, including the National September 11 Memorial & Museum in New York