<P> The Twin Towers of the World Trade Center collapsed on September 11 , 2001 , as a result of being struck by two jet airliners hijacked by 10 terrorists affiliated with al - Qaeda , during the September 11 attacks . Two of the four hijacked airliners crashed into the Twin Towers , one into the North Tower ( 1 World Trade Center ) and the other into the South Tower ( 2 World Trade Center ) . The collapse of the Twin Towers destroyed the rest of the complex , and debris from the collapsing towers severely damaged or destroyed more than a dozen other adjacent and nearby structures . The South Tower collapsed at 9 : 59 am , less than an hour after being hit by the second hijacked airliner , and at 10 : 28 am the North Tower collapsed . Later that day , 7 World Trade Center collapsed at 5 : 21 pm from fires that had started when the North Tower collapsed . As a result of the attacks to the towers , a total of 2,763 people died . Of the people who died in the towers , 2,192 were civilians , 343 were firefighters , and 71 law enforcement officers . Aboard the two airplanes , 147 civilians and 10 hijackers also died . </P>
<P> The Twin Towers of the World Trade Center collapsed on September 11 , 2001 , as a result of being struck by two jet airliners hijacked by 10 terrorists affiliated with al - Qaeda , during the September 11 attacks . Two of the four hijacked airliners crashed into the Twin Towers , one into the North Tower ( 1 World Trade Center ) and the other into the South Tower ( 2 World Trade Center ) . The collapse of the Twin Towers destroyed the rest of the complex , and debris from the collapsing towers severely damaged or destroyed more than a dozen other adjacent and nearby structures . The South Tower collapsed at 9 : 59 am , less than an hour after being hit by the second hijacked airliner , and at 10 : 28 am the North Tower collapsed . Later that day , 7 World Trade Center collapsed at 5 : 21 pm from fires that had started when the North Tower collapsed . As a result of the attacks to the towers , a total of 2,763 people died . Of the people who died in the towers , 2,192 were civilians , 343 were firefighters , and 71 law enforcement officers . Aboard the two airplanes , 147 civilians and 10 hijackers also died . </P>
what time did the world trade center towers fall
what time did the world trade center towers fall
9 : 59 am 10 : 28
9 : 59 am 10 : 28