The response grew to four alarms. Firefighters worked the fire in a three-unit row house that was most active in the middle unit, with exposure to the two end units.
Eight occupants were safely accounted for. The Red Cross has been called to assist them with temporary accommodations.
There were no injuries to firefighters or residents.
It was deemed under control at 2:55 a.m.
The Fire Investigation Unit is investigating the exact cause of the fire.
Another firefighter was injured in an earlier fire in Mount Oliver where PBF was assisting. He is stable in the hospital and doing well.