Fire alarm sounding for extended period at office Heard on: Waltham Fire 00:18 00:00 (number withheld) Winter Street, we're out Zone (number withheld). 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 (number withheld) Winter Street, we're out Zone (number withheld). 00:03 And Unit 513 for a fire alarm that's been going off for an hour and a half. 00:09 Engine 2, Tower 1, (number withheld) Winter Street, that we're out Zone (number withheld). 00:13 And Unit 513, 00:15 a fire alarm sounding that's been going off for an hour and a half. 2026-09-13 22:06 UTC Fire Winter St, Waltham, MA 02451 View on map