Firefighters responded to a 3-alarm blaze on Appleton Street in Somerville, Massachusetts on Friday morning in which people reportedly jumped from the building to safety.
Fire officials reported that the bulk of the fire has been dealt with. Smoke could still be smelled in the air around noon.
Multiple people jumped from the second floor window to escape the fire, according to a neighbor who witnessed the fire.
Several people were displaced by the fire.
Four people received minor injuries and were taken to a hospital. Some of those residents have since been released.
Appleton Street was closed off while firefighters dealt with the blaze.
The cause of the fire remains under investigation.