In pictures: Atrocities' aftermath

As the debris from the two collapsed towers of the World Trade Center spread over lower Manhattan, rescuers rushed to the scene.

More than 40,000 people worked in the towers that were completely destroyed by the shocking attacks in the heart of the US' financial district.

Terrified survivors tried to flee from the Trade Center, stumbling through a fog of smoke and shredded debris

The dust and debris blanketed everything left behind by the escaping survivors

Across the river from Manhattan, crowds watched the drama unfold in stunned silence (pic: Adam Rothschild)

Pedestrians slowly move across Queensboro Bridge out of Manhattan

Survivors gingerly pick their way through debris on their journey away from the collapsing towers

Shocked people at St Patrick's Cathedral watched the first tower collapsing

America's air network ground to a halt as efforts were made to ground all civil flights

George Bush was told the news as he spoke to children in a Florida school

Many Palestinians at refugee camps in Lebanon celebrated after hearing news of the attacks

Children also celebrated news of the atrocity in east Jerusalem