Level 3 medical emergency near Mariposa Place Heard on: Fairfax County VA Regional Fire Dispatch 00:22 00:00 Ambulance 409, engine 409, on channel 4 Bravo, box 40937, EMS level 3, (number withheld), Mariposa Place, Cross Street, Seven Woods Drive. 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 40937, EMS level 3, (number withheld), Mariposa Place, Cross Street, Seven Woods Drive. 00:11 Ambulance 409, engine 409, on channel 4 Bravo, box 40937, EMS level 3, (number withheld), Mariposa Place, Cross Street, Seven Woods Drive. 2026-09-23 06:56 UTC Medical Emergency Mariposa Pl, Alexandria, VA 22309 View on map