One person's been certified dead at the scene of a major accident on the M25 in Essex.The multi-vehicle collision happened between Junctions 29 and 30 shortly before 12:30pm.
A section of the clockwise carriageway has been closed with traffic being diverted off and back on the motorway.
Paramedics are treating a number of other people for less serious injuries.
Two lorry drivers have been arrested at the scene on suspicion of causing death by dangerous driving. They are currently en route to a police station in south Essex.
The section of carriageway is expected to remain closed for several hours, including the evening rush hour.
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