Carbon monoxide alarm at Black Walnut Drive home Heard on: Durham CT Fire Dispatch 00:06 00:00 Durham Fire, stand by for dispatch. 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 Durham Fire, stand by for dispatch. 00:02 Number (number withheld) Black Walnut Drive, CO detector activation. 2026-10-05 04:53 UTC Fire Black Walnut Dr, Durham, CT 06422 View on map