Carbon monoxide alarm on 4th Street SE Heard on: Washington DC Fire EMS 00:11 00:00 Open alarm, truck 17, respond carbon monoxide alarm, the number (number withheld) 4th Street Southeast. 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 Open alarm, truck 17, respond carbon monoxide alarm, the number (number withheld) 4th Street Southeast. 00:04 Truck 17, respond carbon monoxide alarm, (number withheld) 4th Street Southeast, cross street is Capitol Street, operating on 022130. 2026-11-12 02:28 UTC Fire 4th St SE, Washington, DC 20003 View on map