SEASIDE PARK - Police in Seaside Park say firefighters once again returned to the boardwalk overnight as the fire had briefly rekindled days after it first engulfed dozens of businesses.

Just yesterday, officials announced the fire was caused by an electrical problem.

New Jersey State Police, Alcohol Tobacco and Firearms and several other agencies assisted the Ocean County Prosecutor's Office in combing through charred remains looking for clues following Thursday's massive fire that damaged or destroyed some 68 businesses.

Investigators say the wiring underneath Kohr's Frozen Custard and Biscayne Candies appears to have been exposed to saltwater and sand, likely as a result of Superstorm Sandy. The wires had been inaccessible to inspectors before the fire.

"It's possible that this wire, because of its age alone, could have created this fire," says Ocean County Prosecutor Joseph Coronato. "We also know that not only was age involved, but we know there was a storm and it was clear water and sand affected this area of the boardwalk."

The blaze devoured four blocks of boardwalk in Seaside Park and Seaside Heights, which were still recovering from Superstorm Sandy.

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Gov. Chris Christie's administration has decided the state will use Sandy recovery money to pay for debris removal at the scene to speed up the rebuilding process. Christie has also pledged $15 million from Sandy recovery money to the burned businesses.

Seaside Park officials along with Jersey Central Power & Light are now examining all the wiring along the boardwalk for potential hazards.

For more on the fire, watch the clip to the left or click News 12 Extra on Optimum TV channel 612. 

@Newsday