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September 17, 2011

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Air-raid sirens due to sound today

RESIDENTS in every corner of the city except the two airports will hear an air-defense warning today, National Defense Education Day.

The warning will run from 11:35am to 12:03pm. Local authorities will inform people ahead of time through TV and radio broadcasts and cell phone text messages.

The warning will be divided into three phases. The first section - early warnings - will sound for three minutes each. There will be 24-second intervals between them, according to the Shanghai Civil Defense Office. The second phase, from 11:45 to 11:48, will be for air alerts. The siren will sound for six seconds 15 times, with six-second pauses in between. The third part, a single three-minute siren, will tell people the alerts are lifted.


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