Firefighters responded to the 3-story wood frame home at 382 Leslie St., where a kitchen fire had spread to the second and third floors around 6 a.m., Newark Public Safety Director Anthony F. Ambrose said.
A second alarm was called around 6:30 a.m., with some 90 firefighters in total working to knock down the blaze.
One firefighter was injured after falling through the floor and suffering a knee injury. He was treated at the scene by EMS, Ambrose said.
The fire was considered under control at 7:51 a.m.
Two families, comprising 9 adults and 2 children, have been relocated.
The cause and origin of the fire is under investigation by members of the Newark Fire Division’s Arson Unit.
Click here to follow Daily Voice Bergenfield and receive free news updates.