LOWER SAUCON TWP., Pa. (WPVI) -- Interstate 78 eastbound in Lower Saucon Township was closed overnight after a crash involving two trucks. It has since reopened.

It happened around 11:45 p.m. on Wednesday in Northampton County.

Police say a tractor-trailer that was traveling westbound on I-78 crossed over the median and collided with another semi in the eastbound lanes.

At least one person was taken to the hospital with unknown injuries.

The crash also caused a large fuel spill, which closed the highway overnight as crews work to clean it up.

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