People in hotels were tricked into setting off fire alarms and activating sprinklers

[EarthDay]

PrankNET Sets Off Hotel Fire Alarms call 1 of 3 (youtube.com)

PrankNET Sets Off Hotel Fire Alarms call 2 of 3 (youtube.com)

The caller tried to get the hotel clerk to break a window claiming it would deactivate the fire alarm, but they failed to do so both times.

[Firebox]

(777) PrankNET Sets Off Hotel Fire Alarms call 3 of 3 - YouTube

(777) PrankNET- Hotel Clerk Sets Off Fire Alarm and Breaks Windows - YouTube

(777) PrankNET Convinces Hotel Guest to Set Off Fire Sprinkler #1 - YouTube

(777) PrankNET Convinces Hotel Guest to Set Off Fire Sprinkler #2 - YouTube