Eyewitness: Your pictures

BBC News Online brings you pictures from eyewitnesses on the scene of the United States disaster, as hijackers crash passenger jets into New York's World Trade Center in New York and the Pentagon in Washington - thousands are feared dead.

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Smoke billowing out of the World Trade Center after the first plane hit it

Forty seconds after the second plane crashed into the twin towers

The burning World Trade Center in New York

Plumes of smoke engulfed the city

Emergency services in Manhatten

People across the river in Brooklyn watched the disaster

The collapsing towers shrouded Manhattan in smoke

The explosions caused the twin towers to collapse shortly after the attacks