A lorry crash on the A12 is causing chaos on both sides of the busy road
The accident happened at Coleman's Bridge above the A12 in Witham, Essex, on Wednesday afternoon.
An Essex Police spokesman said: "It is affecting both sides and drivers are asked to avoid the area as the road and the Coleman's Bridge will be closed for several hours and through the rush hour.
"Drivers are asked to find alternative routes."
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The lorry crashed into barriers and fell of a bridge
Drivers are asked to find alternative routes
Joe McCallum, from Essex, said part of the lorry container was on fire.
Photos shared on Twitter showed a large cloud of dark grey smoke billowing from the scene of the crash.
Another appeared to show a vehicle having fallen on to the carriageway below.
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Ben Starkey / SWNS.com 1 of 11
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The 28-year-old van driver said he believed it was a lorry carrying frozen goods, but that he could not see anything more due to its "mangled" state.
He said he could not see anybody in the cab following the accident, which he said happened at around 3.45pm.
Crews from Essex Fire and Rescue and the Ambulance Service are at the scene.
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