Our crew on the scene says traffic is backed up about a mile on I-70 before the crash.
A possible fuel leak is being investigated, according to police.
Police tell our crew they hope to have the road cleared and opened soon.
FIRST REPORT
A jackknifed semi on I-70 westbound has closed the highway at Ohio 503 in Preble County.
While the westbound lane is closed, drivers can divert off 503 to avoid the crash, according to dispatchers.
We have a reporter heading to the scene to learn more.
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