BOSTON (WHDH) - Nine people were displaced and three cats were rescued after flames tore through three porches before spreading to a nearby building in Dorchester on Friday morning.

Firefighters responding to a reported fire on Robinson Street around 5 a.m. found heavy flames engulfing the rear porches of a three-family home, which had also spread to an adjacent building, according to the Boston Fire Department.

The fire has since been put out and crews are working to contain hot spots.

There were no reported injuries.

Officials are investigating the cause of the fire, which left behind about $1 million worth of damage.

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

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