Ontario investigates why emergency operations centre sounded a nuclear false alert The alert was pushed to cellphones, radios and TVs across the province at about 7:30 a.m., and Ontario Power ...

By mistake, the evacuation alert went out to cellphones across all of Los Angeles County. To make matters worse, repeated false alerts were reported to have been sent out 11 times .

Also a tweet isn't enough — not everyone who got the alert will see Twitter to know it's all OK."One user posted a screen shot from the HBO miniseries Chernobyl, and there were several tweets ...

An emergency alert message on an iPhone is pictured in Carleton Place, Ont., on Sunday, Jan. 12, 2020. Photo by Sean Kilpatrick / The Canadian Press ...

The false alert was “not being activated or initiated by a person,” he said at the time, blaming an unknown technical glitch that officials had not yet been able to identify and fix.