A 74-year-old man has died following a multi-vehicle collision on Lougheed Highway in Mission Thursday morning.

Emergency services responded to the intersection of Lougheed Highway and the Cedar Valley Connection at 11:30 a.m. following reports of the collision.

RCMP say personnel on scene immediately identified six damaged vehicles, including a BC Transit bus.

After speaking with witnesses and viewing dashcam footage, police say they believe a red GMC Sierra pickup truck had been travelling eastbound in the right lane of the highway when the driver suddenly drove down the middle of the right and left lanes of traffic. As it drove down the middle of the lanes, the truck struck several vehicles stopped before the intersection.

Police say that when the truck drove through the intersection, it collided with a utility pole on the other side.

Emergency crews say the driver of the truck was pronounced dead a short time after the collision. One other person was transported to hospital with non-life-threatening injuries.

Mission RCMP, the Integrated Collision Analysis and Reconstruction Service, and the BC Coroner Service are investigating.

Investigators say the cause of the collision is currently unknown. Investigators are looking into whether any sort of medical condition led to the erratic driving.

Any witnesses who have yet to speak with police, or anyone with relevant dashcam footage, is asked to contact Mission RCMP.