HOMEPAGE | SPORT | WEATHER | WORLD SERVICE | MY BBC
Click on the links to watch BBC coverage of events in America.
America's darkest day
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Just before 0900EDT in New York an aircraft flew into the north tower of the World Trade Center, minutes later a second plane flew into the south tower. A third plane later ploughed into the Pentagon building in Washington DC.
Eyewitness horror
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As the magnitude of the disaster became clear New Yorkers gave their accounts of the calamity which had befallen their city.
Click here to see the eyewitness accounts
America pledges revenge
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President Bush addresses the nation on TV and hints that at a strong US response against the "terrorists who committed these acts and those who harbour them".
Click here to watch President Bush's statement
Washington under fire
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Some reports say up to 800 people may have died when a third hijacked plane crashed into the Pentagon. The Mayor of Washington has declared a state of emergency in the city. But despite the carnage, the capital city is refusing to be bowed.
UK security stepped up
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The UK's airports, cities and government buildings are on heightened security alert following the terror attacks on the US. All private aircraft have been grounded and no flights allowed on the normally busy flight paths over London until further notice.
The BBC's Margaret Gilmore reports
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The World Trade Center, situated in New York's financial district, was once one of the most potent symbols of the financial might of the United States. It provided one of the most popular postcard views of New York and - along with the Statue of Liberty - symbolised the city to many people.
The BBC's Fergus Walsh on the history of the World Trade Center