Medical alarm near Southern Avenue in Capitol Heights Heard on: Prince George's County Fire and EMS 00:16 00:00 Ambulance local (number withheld) Southern Avenue, cross street (number withheld) Fern Street. 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 Ambulance local (number withheld) Southern Avenue, cross street (number withheld) Fern Street. 00:07 Medical alarm box area 1702. 00:11 Ambulance 829 respond on talk group 8 alpha 1. 8/12/2026 06:22 PM Medical Emergency Southern Ave SE, Capitol Heights, MD 20743 View on map