Two drivers remain in a critical condition in hospital after a four-vehicle collision on the M49 yesterday.
Police are appealing for witnesses and dashcam footage after the collision in the late afternoon.
A spokesman for Avon and Somerset Constabulary said: "Emergency services were called at about 4.15pm on Friday, May 13, to a collision involving a Mercedes Sprinter van, an Audi A3, a Ford Focus and a Mazda 2, all travelling south.
