If you were in Dallas around midnight on Friday, it might have been REALLY loud. How loud you ask? Like 156 emergency weather sirens loud.

The Washington Post reported that every single emergency weather siren was on full blast in Dallas on Friday night and they blared for a full hour and a half. According to the Post, there are 1.3 million residents or were either amused, annoyed or terrified of the situation. Put yourself in their shoes and watch the video below. How would you have reacted?

Multiple reports later confirmed that it was a hacker who was able to access and repeatedly activate the system, according to a news report from NBC Dallas-Fort Worth.

About 800 calls were made to emergency dispatchers within the first 15 minutes of the blaring sirens.