CHELSEA, MASS. (WHDH) - Firefighters responded to heavy flames at a Chelsea building Monday as a fire left 11 people without a place to stay.

Officials said the fire at a Cottage Street two-family was mainly confined to the back porch, but smoke and water damage displaced 11 residents.

“We had a report of a propane tank being on floor number two which increased the fire so we went to a quick second alarm fire,” said Deputy Chief Michael Masucci

Julie Razza said she was eating dinner when she heard her neighbors downstairs yelling for help.

“I heard the smoke alarm going off and ran downstairs to the first-floor apartment and the kid was like, ‘Please call 911 my porch is on fire,” said Razza. “He goes, ‘Please!’ He was crying. I felt so bad.”

Razza said her husband tried to use a fire extinguisher but the flames were spreading too quickly.

“He was like, ‘Just get out of the house now. We are all going to leave,’ she said. “We just left,”

No one was hurt in the blaze. The cause of the fire is under investigation.

This is a developing news story; stay with 7NEWS on-air and online for the latest details.

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