Child falls at Mercer Park Condos near Waterthrush Terrace Heard on: Loudoun County Combined Fire Rescue 00:21 00:00 Medic 619 respond, six over box 61910 for a fall, Mercer Park Condos. 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 Medic 619 respond, six over box 61910 for a fall, Mercer Park Condos. 00:08 Medic 619 respond, six over box 61910 for a fall, Mercer Park Condos. 00:13 Two 4701 , we're in a square unit (number withheld) , cross street Waterthrush Terrace. 00:21 (number withheld) year old male. 2026-11-10 04:12 UTC Medical Emergency Yukon Dr Ste 200, Ashburn, VA 20147 View on map