BOSTON (WHDH) - Forty-eight people are displaced after a seven-alarm blaze ripped through several triple-decker homes in Boston on Wednesday, prompting a massive emergency response.

Crews responding to a reported structure fire on Fayston Street in Dorchester after 11 a.m. found heavy flames coming from the rear of one building and thick smoke billowing into the air.

The blaze spread to and burned at least five buildings in the area, causing a number of rear porches to collapse, according to Boston Fire Commissioner Jack Dempsey.

Aerial video showed dozens of firefighters on ladder trucks and on top of the buildings working to contain the blaze. Fire officials say about 150 firefighters were called to the scene.

“I just lost everything,” Brittany Rivera said as she wiped away tears. “My daughter’s stuff is gone, my stuff is gone.”

Dempsey noted the five firefighters and one resident were taken to the hospital for evaluation with symptoms likely related to the heat.

Thirty-two adults, 16 children, and many pets are now without a home.

Mayor Kim Janey told reporters that the city will step up to assist the families who were displaced.

“They’ll be placed in housing this evening. We have city services on the scene, as well as the Red Cross,” Janey said. “The damage here is quite clear that they won’t be able to come back here for quite some time.

The cause of the fire remains under investigation.

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

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