Six residents are in serious condition after being poisoned by carbon monoxide, according to New Hampshire fire officials.
Officials with Campton-Thornton Fire Rescue said it happened on Tree Line Drive in Thornton early Sunday morning, where a resident woke up to an activated CO alarm and was overcome by the gas.
A New Hampshire State Police trooper was the first one on the scene and found multiple residents in distress.
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Responding crews began treating patients at the scene before paramedics took them to local hospitals.
The victims' current conditions are unclear at this time.
No other details were immediately available.