Hamilton police are still piecing together what led to a fatal crash in Ancaster.
Three vehicles collided yesterday morning on Trinity Road, between Book and Butter Roads.
A 30-year-old man from Caledonia was pronounced dead at the scene.
The two other drivers were sent to hospital.
A 57-year-old man is recovering from serious injuries while a 32-year-old woman was treated for minor injuries and has since been released.
The Hamilton Police Collision Reconstruction Unit says two of the vehicles collided head on, but it is unclear how the third car became involved.
No names have been released.