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SCDF will be sounding the “Important Message” signal through the island-wide network of Public Warning System (PWS) sirens on Saturday, 15 September 2018 at 6.20 pm. Do not be alarmed by the minute-long sounding exercise.

The signal will also sound for all smartphones that have the SGSecure MobileApp downloaded, and are not on silent or vibration mode. The signal will stop once themessage is acknowledged or cease after 20 seconds. This will be followed by a brieftext on the PWS sounding.

When you hear the “Important Message” signal, tune in immediately to any localradio station for a brief message on the PWS. If you miss the radio message, visit theSCDF website at www.scdf.gov.sg to know more about the PWS signals.

Held annually, the sounding and the radio broadcast message are part of theSCDF’s continuous efforts to familiarise the public with the PWS signals and to raiseawareness on how the public should react upon hearing the signal.

To prevent any undue public alarm, we seek your assistance to carry the aboveinformation in your news bulletins to remind the public on the sounding.