Information is being updated as it becomes available. See an illustration of the North and South towers of the World Trade Center and the location of various tenants.

The completed centrepiece - One World Trade Center, or "Freedom Tower" - stands even higher (1,776ft (541m) than the original North Tower, which was 1,368ft. Reconstruction at the Pentagon took ...

A memorable event in the life of the World Trade Center came in the summer of 1974 ... While one group of colleagues made its way up the north tower, Petit and two friends slipped up to the ...

Siller had just finished his shift and was on his way to play golf with his brothers when he heard over the radio that a plane hit the north tower of the World Trade Center. Photograph of 9/11 ...

It held its distinction as the tallest building in the world for nearly 40 years, until 1970 when the north tower of the World Trade Center topped it out. Its gracefully stepped shape, a product ...