UPPER PROVINCE TWP., Pa. (WPVI) -- A tanker truck has overturned in Upper Province Township Monday morning.

It happened just before 9 a.m. on the Route 1 Bypass, near Ridley Creek Road, in Delaware County.

Officials say the tanker flipped over in the northbound lanes, causing diesel fuel to spill onto the roadway.

There has been no word yet on any injuries but traffic delays are expected.

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