Fifteen people were hurt when a car and a bus crashed in Wakefield yesterday.
The accident happened just after 2.10pm when a blue VW Golf and a single decker bus collided on Doncaster Road near Crofton.
The people hurt include two men who suffered life-threatening injuries and four people with serious injuries.
They have been taken to hospitals in West Yorkshire.
The A638 Doncaster Road was closed in both directions for several hours.
Anyone who witnessed the incident or has information is asked to contact the Major Collision Enquiry Team on 01924 293047.