45 firefighters battle huge blaze at neighboring homes in Naperville

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NAPERVILLE, Ill. -- Investigators are looking into what caused a fire that destroyed a home in Naperville.

The fire started around 6 p.m. Wednesday in the 500 block of Springhill Circle.

Witnesses say there was an explosion in the attached garage, and then the flames quickly spread to the house and a neighboring one.

Forty-five firefighters and 19 vehicles from 10 suburbs were called in to battle the flames, according to the Chicago Tribune.

No one was injured in either house.