In footage aired by Chinas state television CCTV, a male passenger loudly threatened to bomb the plane.

在中国的国家电视台CCTV播出的一系列镜头中，我们可以看到一名男性乘客高声威胁说要炸飞机。

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A spokesman said the plane was checked, no bomb was found and the aircraft left an hour and a half late. He added that such alerts were relatively common.

一位发言人说他们检查了飞机，没有发现炸弹，却导致飞机晚点一个半小时，他还说他们经常接到这样的警告。

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Whether a bomb of this size could bring down a plane would depend on the size of the aircraft and where in the hold it was placed (next to the hull would be ideal).

一颗一般大小的炸弹能否炸毁一架飞机取决于飞机的大小和引爆的位置（贴近机身的位置比较理想）。

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He is the man accused of trying to bomb an American plane with explosives in his underwear.

VOA: special.2010.01.09

He convinced a jury that the airline was negligent by not detecting the bomb that brought the plane out of the sky.

CNN: Attorney: Mechanical failure caused TWA crash

Then on 6 May, US officials said they had and their allies had foiled a plot to bomb a US plane, involving a device that bore the "hallmarks" of the underwear bomb carried by Umar Farouk Abdulmutallab in 2009.

BBC: Profile: Al-Qaeda 'bomb maker' Ibrahim al-Asiri

In January 1972, 22-year-old flight attendant Vesna Vulovic's plane exploded due to a suspected terrorist bomb in the cargo section.

BBC: NEWS | UK | Magazine | Can you survive a plane crash?