Carbon monoxide leak causes dizziness near Sheldon Heard on: Sheldon District Fire 00:15 00:00 This is Iroquois Fire EMS. 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 This is Iroquois Fire EMS. 00:01 Fire EMS, we're requested to (number withheld) North First Street. 00:04 (number withheld) North First Street for a possible carbon monoxide leak. 00:10 One patient experiencing dizziness. 00:12 ICOM 503, 1033. 2026-10-23 15:33 UTC Medical Emergency 1st St, Sheldon, IL 60966 View on map