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NORTHAMPTON COUNTY, Pa. (CBS) – Two people have been injured after a crash on Interstate 78 involving four tractor-trailers and another vehicle in Northampton County.

The crash happened in Lower Saucon Township on the eastbound side of the interstate, around 2 a.m. Friday.

Two people were pulled from one of the cars and taken to a hospital.

Hazmat teams closed the highway for several hours while they cleaned up about 50 gallons of spilled fuel.

I-78 has since reopened.