CCTV cameras recorded the moment of the Marriott blast; grainy images show a man pulling a bag on wheels across the lobby before the flash of the explosion.

闭路电视记录下了万豪酒店发生爆炸的瞬间：模糊不清的画面显示，爆炸发生之前，一名男子拉着滚轮包穿过酒店大厅。

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His fears were heightened when he saw what he says was a flash moments before the explosion.

当看到所说的在爆炸前的一束火光时，他不由得更加害怕了。

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My first impression of the explosion was the very intense flash of light, and a sensation of heat on the parts of my body that were exposed.

我的第一印象是爆炸形成了非常强烈的闪光，身体的暴露部分感到一股热浪袭来。

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On Saturday, RT.com, the website of Russian 24 hour news channel, RT, said that one of the group of scientists that was following the experiment nearly 200 miles away from the explosion said they could see a flash of light even with dark glasses on.

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In a video of the No. 3 explosion, the blast appears much bigger than the No. 1 blast, featuring a bright flash followed by a towering column of smoke and concrete that then tumbles in chunks out of the sky.

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This time it was six long hours before a second flash corrected the first with the news that it was engine trouble and not a midair explosion that had forced Lindbergh to make an emergency landing on treacherous terrain in the mountains of western Pennsylvania.

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