Medical emergency near Holly Knoll Circle in Great Falls Heard on: Fairfax County VA Regional Fire Dispatch 00:20 00:00 EMS 401 on channel 4 Bravo box 43910. 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 EMS 401 on channel 4 Bravo box 43910. 00:04 EMS level 2 (number withheld) Holly Knoll Circle, Cross Street, Cardinal Holly Court. 00:10 EMS 401 on channel 4 Bravo box 43910. 00:14 EMS level 2 (number withheld) Holly Knoll Circle, Cross Street, Cardinal Holly Court. 2026-10-28 03:29 UTC Medical Emergency Holly Knoll Cir, Great Falls, VA 22066 View on map