Italy's media told that the suspected package was opened by the staff but failed to explode.

意大利媒体称，这个可疑包裹被使馆负责处理邮件的职员打开，所幸没有发生爆炸。

youdao

The device failed to explode.

VOA: special.2010.05.08

It is reported that one fired by Splendid, its sole cruise-equipped submarine, failed to explode.

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Scientists reported that they found DNA matching that of an electrician from South Armagh, Sean Hoey, in the TPUs of four devices that failed to explode.

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The five were arrested on Saturday in connection with the discovery of a mobile phone rigged to detonate a bomb which failed to explode during the attacks.

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