Alarm and possible carbon monoxide issue at building Heard on: Holliston Fire 00:20 00:00 Holliston Fire Dispatch, Car One. 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 Holliston Fire Dispatch, Car One. 00:02 The inside investigation, (number withheld) Maple Street. 00:05 Caller is reporting an alarm sounding, no smoke, no fire. 00:08 He checked the boiler room and when he opened up the door, the alarms were sounding again. 00:14 He did. Cut off the boiler on the emergency switch. 00:17 Building's evacuated. 00:18 Not sure if it's a CO issue. 2026-09-10 16:59 UTC Fire Maple St, Holliston, MA 01746 View on map