WEST PALM BEACH, Fla. --
First-responders in Palm Beach County lost all radio communication Thursday night.
Palm Beach County Sheriff's Office, Palm Beach County Fire-Rescue, West Palm Beach Police Department and other local agencies were all without communication.
Dispatchers use radio frequencies to send first-responders to emergencies.
The system broke down just before 9 p.m. and was completely silent for more than 45 minutes.