Firefighters found the 2½-story Washington Avenue residence fully involved around 11 a.m. Two alarms on arrival became three bells a little over a half-hour later.
The floors collapsed around noontime, requiring heavy equipment to help firefighters douse flame pockets. The fire was declared under control shortly after 12:30, about an hour and a half after it began.
TYCO Animal Control was among the responders.
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