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Update:Transformer Leak Caused Fire at PSE&G Substation in Waldwick


After hours of battling the Sunday morning fire, officials determined mineral oil leaking from a transformer caused the blaze.

Crews from over 25 towns responded to the substation fire sometime around10:31 a.m., after a series of explosions and increasing black smoke filled the area.

The ongoing fire was finally placed under control by approximately 6 p.m.

The fire injured two firefighters and evacuating as many as 40 households for several hours.

Thousands of customers lost power for several hours.

PSE&G officials are investigating what cause the transformer to malfunction.

It is unclear at this time the extent of damages the equipment sustained.