ESSINGTON, Pa. (WPVI) -- Fire crews responded to a chemical testing facility after reports of an explosion early Thursday.
It happened around 1 a.m. at Intertek USA on the 300 block of Erickson Avenue in Essington.
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Officials said an oxygen tank exploded outside of a building on the property. A fire then spread to the exterior of the building.
Firefighters quickly placed the fire under control.
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There are no reports of any injuries at this time.