Thursday morning, about 40 tons fell about 40 stories at the World Trade Center, crashing onto a nearby truck.

The fallen beams completely destroyed the vehicle, barely missing the crane operator, reported the Daily News. There were no reported fatalities.

Steal workers said it was a miracle no one was hurt or killed, according to the Daily News. However, the falling beam created a sense of confusion. There was an extremely loud noise and dust flew into the air.

It sounded like a bomb, said Frank Pensabene, 25, an ironworker from Staten Island, reported the New York Post. The workers raced to the scene of the accident to see if there was anything they could do to help.

Everybody was running to see if they could help, said the worker, who declined to give his name to the Daily News. Suddenly there was a lot of noise and everybody ran for cover.

Police and investigators from the Buildings Department are currently investigating the accident, but there are some theories about the accident. Some speculate that there was a failure in the hydraulic system that could have the caused the cable to snap. Another possibility was that an engineer made a miscalculation reported the Post.

Click through the slideshow to see the damage at the World Trade Center.

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