WESTON, MASS. (WHDH) - A retired firefighter woke up a sleeping couple after spotting smoke and helped them escape a three-alarm blaze that scorched their Weston home on Tuesday morning.

Crews responding to a report of a fire on South Avenue found flames tearing through the rear of the home, according to the Weston Fire Department.

Photos shared by the department showed heavy fire damage to an outside deck area.

A husband and wife were able to escape the burning home after the good Samaritan stopped and called 911.

“A passerby stopped and informed them that their house was on fire. They were both asleep. A gentleman got up and got his wife out of the house,” Weston Fire Chief David Soar told reporters. “A retired firefighter who lives down the street came over and helped these guys.”

There were no reported injuries, but the home is reported to be a total loss.

Part of Route 30 was closed while crews worked to knock down the blaze.

There were no additional details immediately available.

The cause of the fire remains under investigation.

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

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