The nation's emergency alert system came under scrutiny today, after Hawaii's false warning about a missile launch.

因夏威夷误报导弹袭击，今天对全国紧急警报系统进行了检查。

Dallas had their emergency alert system hacked, allowing hackers to activate their 156 siren tornado alerts system, for an hour and a half.

达拉斯的紧急警报系统遭到黑客攻击，允许黑客激活他们的 156 警笛龙卷风警报系统， 持续一个半小时。