DAUPHIN COUNTY, Pa. (WHP) — A portion of I-81 south in Dauphin County was shut down early Sunday morning after a tractor-trailer jack-knifed.

According to Grantville Volunteer Fire Company, the crash occurred at mile marker 81.6, near the Hershey and Grantville exit.

Dispatch logs show the crash was reported shortly after 5 a.m., and the road remained closed for around two hours until crews cleared the area.

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The fire company said the Amazon truck’s saddle tank had ruptured, causing fluid to spill onto the road. Crews used absorbent to help clean up the spill.

It’s unclear exactly what caused the crash, but no injuries were reported by the fire company.