One person is dead following a tractor-trailer crash on Interstate 93 in New Hampshire overnight.

State police said they responded to a report of a tractor-trailer crash on I-93 south in Tilton at 1:52 a.m. Friday.

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When they arrived, troopers determined that the driver of the tractor-trailer had failed to negotiate a curve in the highway, broken through the center median guardrail, traveled through the median and the embankment and across the railroad tracks before coming to rest on its side in the Winnipesaukee River.

The driver was killed in the crash, police said. Their name is being withheld pending notification of family.

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