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 Liberal Democrats came second in the Anglia region at the 2010 General Election but face an tough challenge in 2015.
A chilly start, then mainly dry and sunny through the day. A few heavy showers may develop and move east towards the end of the afternoon.
Hundreds of people have taken part in the annual Maldon Mud Race in Essex