A firefighter and two residents were transported to the hospital to be treated for minor injuries after a fire on Montauk Avenue in New London on Tuesday morning.
Fire Chief Thomas Curcio said firefighters responded after receiving a report around 8:10 a.m. about a fire on a stove and fire was coming from the back and side of the building when they arrived.
Mutual aid was called in from surrounding towns.
Nine people have been displaced.
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The Salvation Army's New London Emergency Disaster Services canteen responded to provide meals and hydration to first responders.