False North Korea missile alert sent out by Japanese broadcaster

https://globalnews.ca/news/3967284/japan-mistakenly-north-korea-missile-warning-hawaii-false-alarm/
http://www.independent.co.uk/news/world/asia/japan-missile-alert-north-korea-false-alarm-nhk-apology-broadcaster-error-a8163876.html
 http://www.cnn.com/2018/01/16/asia/japan-false-missile-alarm-intl/index.html