Person requiring medical assistance near Avery Park Dr Heard on: Montgomery MD Fire-Tac Group Calls 00:11 00:00 Ambulance 724 at patient site. 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 724 at patient site. 00:02 Okay, ambulance 724, thank you. 00:04 910. 00:05 Paramedic 724, repeating, all available units, (number withheld) Park Drive, 910. 2026-09-13 06:10 UTC Medical Emergency Avery Park Dr, Derwood, MD 20855 View on map