However, he added it "could be the sound that saves your life ... whether it is the United States, Canada, Japan and elsewhere, they have emergency alerts on phones as another tool in the toolkit ...

Immediately after the launch, the Japanese government issued the J-Alert to residents in Hokkaido, Aomori and Tokyo’s islands for the first time since September 2017, and the alarm sound soon ...

This isn't the first time Japanese emergency alerts have been hindered by Twitter/X's rate limits, even when posted from government accounts. As previously reported by The Asahi Shimbun ...