This is a developing story. Details are preliminary and subject to change as more information becomes available.
At 10:49 AM, Littleton Fire Department was dispatched to a fire alarm activation at 161 Main Street. The alarm was reported from zone 3 on the third floor of a three-story masonry construction building. Littleton Ambulance also responded as a precaution.
Engine 1 arrived on scene at 10:52 AM and reported nothing showing. Crews are investigating the cause of the alarm. Command has been established.
Photo: Ann H via Pexels. Photo is illustrative and not from the scene.
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