Carbon monoxide alarm at Canal Circle home Heard on: San Bernardino County Fire - Valley 00:08 Carbon monoxide alarm, Medic Engine 23 , (number withheld) , Canal Circle between canal street and no cross 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. Carbon monoxide alarm, Medic Engine 23 , (number withheld) , Canal Circle between canal street and no cross street. 2026-09-12 20:40 UTC Fire Canal Circle, Grand Terrace, CA 92313 View on map