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MONTGOMERY COUNTY, Pa. (CBS) — Police are on the scene after a truck overturned on the Pennsylvania Turnpike in Montgomery County on Wednesday. The incident happened at approximately 8:03 a.m., near the Fort Washington Interchange.

Chopper 3 showed a tractor-trailer on its side, but the cause of the truck ending up on its side is unknown at the time.

Credit: CBS3

There is no word on injuries at this time.

The tractor-trailer is blocking part of the right lane and traffic is moving slowly in the other lanes.

Stay with CBSPhilly.com as this story develops.