CHELMSFORD (CBS) – A 63-year-old man died after crashing off Route 3 in Chelmsford Sunday evening.

Massachusetts State Police said a 2011 BMW X3 veered off the southbound side of the highway near Exit 30 and into a body of water at about 5 p.m.

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An off-duty trooper who reported the crash to 911 entered the water and found Kenneth A. Rossi of Bristol, New Hampshire man unresponsive. He was later pronounced dead at the hospital.

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Police are investigating but believe the driver may have suffered a medical episode before crashing.


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