BOSTON — A massive fire broke out in South Boston early Saturday, tearing through seven residential buildings and leaving five firefighters injured.

The seven-alarm fire started around 3:30 a.m., the Boston Fire Department said. Around 40 people have been displaced by the blaze. The firefighters were taken to the hospital with minor injuries.

Damage was estimated at $10 million, reported. At least five buildings appeared to be a total loss, said Boston Fire Department Commissioner Jack Dempsey.

The Red Cross was helping the displaced residents.

Comments are not available on this story.