Automatic fire alarm at commercial building Heard on: Orange CA Fire Dispatch Group Calls 00:12 00:00 Bria Truck Two, automatic alarm commercial (number withheld) West Mercury Lane, number B, district O-426 Yankee, cross street South Ferry Street. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Bria Truck Two, automatic alarm commercial (number withheld) West Mercury Lane, number B, district O-426 Yankee, cross street South Ferry Street. 00:10 Bria Truck Two, on to Alpha. 5/8/2026 12:05 PM Fire & Arson Mercury Ln b, Brea, CA 92821 View on map