DURHAM, N.H. (AP) – Authorities are investigating whether a 52-year-old Lee, N.H., man found dead after his pickup ran off Route 4 suffered a medical condition before the crash.

Police say Gregory Sweatt was found dead shortly before 6:30 a.m. Tuesday after he lost control of his pickup and drove into woods.

Police say a witness who was driving behind Sweatt said the pickup was driving erratically before crossing the centerline and going over an embankment into the woods.

An autopsy is scheduled.

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