Arson investigators are looking into an early morning fire that damaged 10 pieces of excavation equipment in a construction storage yard along North Avenue in West Chicago, officials said.
Most of the earth scrapers were burning by the time firefighters arrived around 4 a.m., according to West Chicago Deputy Fire Chief Dennis Keefe.
Keefe said the DuPage County Arson Task Force and West Chicago investigators will look into the "highly unusual circumstances," that lead to the blaze.
He said officials are currently in the process of determining the cause and origin of the fire in the yard. He said nine of the earth scrapers were heavily damaged while a 10th vehicle seemed to have sustained less damage.
"It was an unusual fire," said Keefe.
He said there were 48 firefighters on the scene, as well as 12 paramedics and six command officers responded from West Chicago and neighboring towns. No injuries were reported.
The yard is just west of DuPage County Airport and is operated by A.A. Conte. No one from the company was available for comment.
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