OHIO TOWNSHIP, Pa. —

Interstate 279 is closed to southbound traffic because of an overturned truck in Allegheny County.

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PennDOT said the closure is between I-79 and Exit 8 (Camp Horne Road).

A traffic camera in that area showed a tractor-trailer on its side blocking both southbound lanes.

It wasn't immediately clear if anyone was injured or when the southbound highway would be reopened.

This is a developing story. Stay with Pittsburgh's Action News 4 for updates.

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