Carbon monoxide alarm at building on N 23rd St Heard on: Milwaukee County Public Safety - South Suburbs 00:25 00:00 Dispatch 23, truck 2 is 23rd Street command. 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 Dispatch 23, truck 2 is 23rd Street command. 00:04 Was in fact carbon monoxide alarm. 00:07 Building monitor zero parts per million throughout. 00:16 Message received 23rd Street command. 00:18 It was a carbon alarm. 00:20 Building structure. 00:23 Zero parts per million throughout. 2026-11-11 17:13 UTC Fire N 23rd St, Milwaukee, WI View on map