Commercial fire alarm on Massachusetts Avenue Heard on: Washington DC Fire EMS 00:08 Alarm 20, truck 12 responding for commercial fire alarm at (number withheld) Massachusetts Avenue Northwest, operating on tactical 02. 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. Alarm 20, truck 12 responding for commercial fire alarm at (number withheld) Massachusetts Avenue Northwest, operating on tactical 02. 2026-09-14 20:58 UTC Fire Massachusetts Ave NW, Washington, DC 20016 View on map