Public warning sirens will be used for the last time tomorrow to mark the 75th anniversary of Victory in Europe Day.
They'll sound at 3pm to mark the end of World War II in Europe.
They're currently used to warn people of an emergency, but according to the government have become 'difficult to maintain and less useful'.
As a result, they're being replaced by a 'mass notification system' - however, they will continue to be used by the fire service when needed to alert retained firefighters.
Instead, the public will in receive 'critical safety' messages via text, email, landline and apps, but only to those that 'sign up' to the system.
According to the Department of Home Affairs, these alerts will only be sent in life-threatening situations or for important public safety information.
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