A Nova Scotia RCMP officer is dead and a man is in police custody following a three-vehicle collision near Memramcook, New Brunswick.

New Brunswick RCMP responded to the collision in the eastbound lane of Highway 2 shortly after 6 p.m. Tuesday.

Police say the 35-year-old RCMP officer had stopped to help two people in an SUV change a tire when a utility van collided with his cruiser and the SUV.

The driver of the van was also taken to hospital. He was treated and taken into police custody, CTV News reports.