Aerial footage shows the multi vehicle crash on the M11 in which two people died.
Police one person has been arrested on suspicion of dangerous driving.
One of the vehicles involved was a horse box carrying a number of horses.
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Two people have suffered serious injuries following a crash in West Norfolk.
Following a chilly start it will be a largely fine and mostly dry day with bright or sunny spells.
The boyfriend of reality TV star Ferne McCann has been arrested on suspicion of attempted murder following an alleged nightclub acid attack.