From our News partners at WCBD-TV:

The investigation is underway into what caused an early morning fire at the KapStone paper mill on Virginia Avenue, Friday morning.

North Charleston, and Charleston firefighters responded to the call that came in just before 2:15 a.m., according to the Charleston County Consolidated Dispatch Center.

News 2's crew on the scene says a steady stream of fire trucks, and officials have been leaving the plant starting at about 5 a.m.

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