Level 3 medical emergency at Oakbrooke Ave and Chalmers Ct Heard on: Fairfax County VA Regional Fire Dispatch 00:21 00:00 Ambulance 409, Engine 409, on channel 4 Bravo, box 40901, EMS level 3, (number withheld) Oakbrook Avenue, Cross Street, Chalmers Court. 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 409, Engine 409, on channel 4 Bravo, box 40901, EMS level 3, (number withheld) Oakbrook Avenue, Cross Street, Chalmers Court. 00:10 Ambulance 409, Engine 409, on channel 4 Bravo, box 40901, EMS level 3, (number withheld) Oakbrook Avenue, Cross Street, Chalmers Court. 2026-09-30 09:41 UTC Medical Emergency Oakbrooke Ave, Alexandria, VA 22308 View on map