The St. Stephen RCMP is investigating a single vehicle collision that happened on the Lynnfield Road in Lynnfield at approximately 1:15 a.m. this morning.
Four people were in a truck when it left the road and collided with a tree. A man and woman were critically injured and taken to hospital in Saint John. Another man and women were treated on the scene.
An RCMP collision reconstructionist was called to the scene.
The investigation is ongoing.