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A tanker truck loaded with diesel fuel burns after it overturned along Interstate 81, shutting down the heavily traveled artery near Harrisburg, Pa. on Thursday, May 9, 2013. The truck was headed northbound from Carlisle shortly after 6 a.m. when it flipped over on a ramp to Route 22-322 westbound, near the I-81 bridge over the Susquehanna River. (AP Photo/TV27-David Tristan)

A tanker truck loaded with diesel fuel burns after it overturned along Interstate 81, shutting down the heavily traveled artery near Harrisburg, Pa. on Thursday, May 9, 2013. The truck was headed northbound from Carlisle shortly after 6 a.m. when it flipped over on a ramp to Route 22-322 westbound, near the I-81 bridge over the Susquehanna River. (AP Photo/TV27-David Tristan)

Diesel tanker explosion

May 9, 2013

A tanker truck loaded with diesel fuel overturned along Interstate 81 near Harrisburg, Pa., on May 9 shutting down traffic for days to come. The truck was headed northbound from Carlisle when it flipped over on a ramp to Route 22-322 westbound, near the I-81 bridge over the Susquehanna River.

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