Engine 5 had just picked up from operating in Metuchen when they were rerouted by the County Mutual Aid Coordinator to a fully involved three story frame in Highland Park. Arriving units were meet with heavy fire in a three-story class 5 structure with occupants jumping from windows. Engine 5 arrived and was ordered to take a hydrant on the way in and pump to New Brunswick's tower ladder. Numerous lines were in operation with severe fire exposure to both the side B and D exposures. At the height of the fire, five engines, two trucks and one squad were operating. Companies continued to work on numerous concealed spaces and rotated accordingly. The fire was placed under control by command and turned over to the Highland Park Police and the Middlesex County Fire Marshals office for origin and cause investigation.