It was a perfect storm.

Cold air at the ground which caused the road surface to freeze into an ice rink and the air above was moist which created a dense fog.

Operations leader Micael Kadanik was the first to arrive at the accident and the memories are still strong today.

- It was like a war zone.

It was foggy and you could hear the sound of cars crashing, skidding and people screaming, he says.

A man died in the mass crash when he got out of his vehicle to stop other road users.

He was then pinned between a truck trailer and the road barrier.

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See in the clip how it looked at the mass collision on the Tranarps bridge ten years ago.

Photo: SVT