Open accessibility guideSkip to sections navigationSkip to contentSkip to footerThe Sydney Morning Herald logoThe Sydney Morning Herald logoAdvertisementNationalEmergency servicesMillions of mobile phones sounded an alert (and some didn't) as devices pinged nationwideUpdated July 27, 2026 — 5:31pm,first published 5:28pmLoadingLatest in VideosVideo icon2:25Official trailer for The CastleVideo icon3:35Operation Rosny opening statement: key momentsVideo icon1:45‘Devoted’ mother-of-two allegedly killed by partner in MelbourneVideo icon7:31Millions of phones ping with alarm during national testAdvertisementThe Sydney Morning Herald logoTwitterFacebookInstagramRSSOur SitesThe Sydney Morning HeraldThe AgeBrisbane TimesWAtodayThe Australian Financial Reviewnine.com.auDriveClassifiedsTributesPlace your adThe Sydney Morning HeraldContact & supportAdvertise with usNewslettersAccessibility guideSitemapPhoto salesPurchase front pagesContent licensingWork with usTerms of usePrivacy policyPress CouncilCharter of Editorial IndependenceAI Editorial GuidelinesProducts & ServicesSubscription packagesMy accountSubscriber FAQsDelivery statusToday’s PaperGood Food GuideDaily PuzzlesCopyright © 2026Subscribe
Australia tests its national AusAlert system
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