A fire at a Flemington apartment complex Saturday destroyed four units in the building.
The blaze happened at Hunterdon Hills Apartments. Witnesses describe seeing a big ball of fire at the complex.
All of the residents were able to escape the building. Two firefighters were treated at the scene for minor burns.
The 12 families affected by the flames will be moved to vacant apartments in the complex, according the building manager.
Authorities are launching an investigation into the fire.