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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The Duke and Duchess of Cambridge treated their son Prince George to a festive day out in Norfolk over the weekend.
Remaining cloudy but mostly dry with strong winds and mild temperatures.
A couple from Essex had to be pulled out of mudflats by an RAF rescue helicopter after they got stuck while walking their dog.