Carbon monoxide or gas alarm at Mundelein home Heard on: Lake IL Fire Dispatch Group Calls 00:12 00:00 District 43K, Engine 431. 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 District 43K, Engine 431. 00:04 CO or gas detector, no symptoms. 00:06 At (number withheld) North Pershing Avenue, Mundelein, near West Holly Street and North Emerald Avenue. 2026-09-13 14:50 UTC Fire N Pershing Ave, Mundelein, IL 60060 View on map