Residential fire alarm on Mercedes Court Heard on: Fairfax County VA Regional Fire Dispatch 00:20 00:00 Engine 409, on channel 4 Bravo, box 40939, residential fire alarm, (number withheld) Mercedes Court, Cross Street, Washington Boulevard. 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 Engine 409, on channel 4 Bravo, box 40939, residential fire alarm, (number withheld) Mercedes Court, Cross Street, Washington Boulevard. 00:10 Engine 409, on channel 4 Bravo, box 40939, residential fire alarm, (number withheld) Mercedes Court, Cross Street, Washington Boulevard. 2026-09-30 00:54 UTC Fire Mercedes Ct, Alexandria, VA 22308 View on map