An overturned lorry on the M25 has left two people seriously injured - one of whom is in a critical condition.
The motorway has been closed in both directions between junction 23 and junction 25 after the vehicle crashed through the central reservation between junction 24 and junction 25 at around 9.24am.
No other vehicles were involved in the accident and both people have been taken to hospital.
Officers from the Metropolitan Police Service, Bedfordshire, Hertfordshire, London Ambulance Service, London Air Ambulance and London Fire Brigade attended.
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