Carbon monoxide alarm at Sunnyside Estates home Heard on: St. Charles EMS and Fire 00:19 00:00 Ninety-one fifty-four, residential CO alarm, at (number withheld) Sunnyside Estates Court, cross streets are Bates Road. 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 Ninety-one fifty-four, residential CO alarm, at (number withheld) Sunnyside Estates Court, cross streets are Bates Road. 00:10 Ninety-one fifty-four, residential CO alarm, at (number withheld) Sunnyside Estates Court, cross streets are Bates Road. 2026-11-06 05:26 UTC Fire Sunnyside Estates Ct, O'Fallon, MO 63368 View on map