LEBANON BOROUGH, NJ -  State Police announced today that they are investigating a crash involving a marked troop car and a GMC Envoy that killed a Bridgewater man.

Police said Trooper Emmanuel Gonzalo, 26, who is assigned to the Troop “B” Perryville Station barracks, was driving a marked Ford Crown Victoria State Police car west on Route 22 around 7:57 a.m. Saturday. He had been dispatched to a motor vehicle crash on Route 78 in nearby Union Township.

Based on the preliminary investigation, state police said, a GMC Envoy driven by Larry Helwig, 72, of Bridgewater, collided with Gonzalo’s cruiser at the intersection of Route 22 and Cokesbury Road.

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Helwig died at the scene and was pronounced dead at 8:35 a.m. His passenger, Jane Roxbury, 67, of Lebanon, was airlifted to Morristown Medical Center where she was treated for non-life-threatening injuries. Gonzalo was taken to Hunterdon Medical Center where he was treated for non-life-threatening injuries and later released.

Police said this information is preliminary and that the investigation remains ongoing.