A CRASH has blocked a lane of the M25 causing delays.

There has been a crash on the westbound carriageway of the motorway with one lane blocked at junction 25 with the A10.

The crash took place just after the Holmesdale tunnel, and there are queues building back to junction 27 with the M11.

Motorists are advised to allow extra time when travelling in the area.

Update 8.10am: The lane has now reopened but congestion still remains.