The daughter of a Newport couple is calling for a change in the law after a crash on the M5 killed her parents and five other people.
Anthony and Pamela Adams were driving past a fireworks display in Somerset when the accident happened. Today an inquest has been completed into the deaths. Richard Morgan reports.
Andrew Gregg, who passed the scene of the fatal pile-up in 2011, told the inquest he had not seen fog like it in his job "for a long time."
Drivers have told an inquest of their horror at being involved in one of the worst British motorway pile-ups in living memory.
Witnesses have spoken of reduced visibility on the night of the M5 motorway crash that killed seven people, including a couple from Newport.