ONE lane is blocked on the M25 clockwise following a collision between a lorry and a car.
The crash happened shortly before 4pm between Junction 27 for the M11 and 28 for the A12.
Traffic is building on the approach to the accident with some delays expected.
At junction 30 of the M25, another accident involving a lorry and a car occurred on the clockwise off-sliproad shortly after 3.30pm.
That incident has now been cleared.