The moment a lorry swerved out of control and crashed into a bridge on the M25, leaving its cargo hanging over the A2, was captured in dramatic dashcam footage.

The HGV smashed into a barrier at around 1pm, causing "significant damage" and at least six miles of tailbacks.

Footage shows the vehicle jack-knifing as it bends into a v shape, being led by its trailer among a cloud of smoke.

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Sarah Hamer, 39, was travelling with her family in the car when they spotted the horrific crash.

Sarah said: "As far as we could see, the front of the lorry had impact marks.

"The motorway was closed from the Darenth interchange.

''Obviously there was quite a few police in attendance and ambulances.

"It was really shocking to see."

Thankfully no serious injuries were reported.

Kent Police spokesman James Walker, said: "Road closures are in place following a collision between a lorry and a roadside barrier on the A282.

"The incident was reported to Kent Police at 1.20pm and resulted in part of the lorry’s trailer breaching a safety barrier.

"No serious injuries have been reported, however the A2 is closed in both directions, at the junction for the Darenth Interchange, to ensure public safety. The anticlockwise M25 is also closed at junction 2.

"Motorists are advised to expect delays and, where possible, consider using an alternative route."