A tractor trailer inferno grinded traffic to a halt on the Pennsylvania Turnpike's Northeast Extension during the evening commute.

It happened around 4:30 p.m. on the northbound side of the highway between the Lehigh Valley and Mahoning Valley exits.

All lanes were blocked while firefighters battled the flames.

We've heard no reports of injuries.

No word yet on what caused the fire.

Truck fire on Pa. Turnpike
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