The collision was one of the worst in living memory.
We launched a comprehensive investigation immediately after to establish the full circumstances which led to the collision.
Our investigation was meticulous and complex. We took hundreds of witness statements, examined 34 vehicles and consulted several experts, including meteorologists, pyrotechnic and forensic specialists.
Based on this evidence the Crown Prosecution Service took a decision to charge. However, following further consideration in recent weeks they have decided to discontinue the manslaughter charges.
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Wales head coach Rob Howley admitted his side's performance 'simply wasn't good enough' against Scotland this afternoon.
It will be cloudy with outbreaks of rain at first, but most of the rain will clear by morning.
Despite leading at half time, Howley's men failed to score in the second half with Scotland racking up 20 points to seal the win.