FRESNO, Calif. (KFSN) -- Firefighters are working to determine what caused a massive pile of debris to catch fire on Monday morning.
The fire broke out shortly after 8:00 am on Orange between Church and Belgravia Avenues.
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The dark smoke billowing from the flames could be seen from miles away.
The blaze burned for about an hour before fire crews put it out.
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Investigators say piles of tires and trash burned in the fire.
There are no reports of any injuries.