Alarm activation at middle school science room Heard on: Waltham Police & Fire 00:17 00:00 Thanks. (number withheld) Church Street, middle school. 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 Thanks. (number withheld) Church Street, middle school. 00:04 For the room (number withheld), basement level, consumer science room activation. 00:09 Activation. 00:11 Roger. 00:16 443 is arriving. 2026-09-13 22:41 UTC Fire Church St, Waltham, MA 02452 View on map