Three People Die in Australia After Optus Emergency Calls Fail Optus, the Australian unit of Singapore Telecommunications Ltd., is investigating a technical failure that affected emergency calls and resulted in three deaths. Related Posts:Alice in Chains Cancel Tour Kickoff Due to 'Medical…Sean Kinney Issues Statement on Recent Medical EmergencySaxon Cancel 10 Tour Dates, Biff Byford in for…GIC in Talks to Invest in Goodman’s Data Centers, AFR SaysCassian Undergoes Emergency Surgery, Cancels ShowsColumbia Investigating Possible Cyberattack After…