Video tutorial demonstrates how Britain’s new emergency alert system can be HACKED Posted on April 22, 2023 By Charlielikes At 3pm on Sunday, millions of mobile phones and tablets will start blaring with a shrill alarm during a nationwide test of the new public alert system. news Tags:‘new, ’emergency’, alert, be, britain’s, can, demonstrates, hacked, how, news, system, topnews, trending, tutorial, video: