Crews battled a three-alarm fire in Revere, Massachusetts, Friday afternoon.
Officials confirmed that the fire was active on Winthrop Avenue. No one was home at the time of the blaze.
Chelsea Fire announced that the fire had reached a third alarm.
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Departments in Chelsea and Everett responded with mutual aid.
Revere Police were assisting with traffic control while Revere Fire fought the blaze.
Officials believe the fire started on the first floor and spread to the attic.
It is also believed that the blaze was accidental.
The fire remains under investigation.
NECN will have more as this story develops.