An ambulance is on scene following a broken down car on the M25 clockwise between junction five and junction six.

Traffic has been at a standstill near the Clacket Lane services for over an hour.

It is not yet known why an ambulance is on scene. Reports suggest the reason for the hold up is a broken down car.

Lane one of four remains closed.

There have been severe delays since 6am between Sevenoaks at the M26 / A21 and Godstone at the A22 / B2235.

UPDATE - A spokesman for Kent Police said: "Kent Police was called today at 5.41am to a report of a vehicle on the hard shoulder between junction 5 and 6 of the coastbound carriageway of the M25."

All lanes have now been reopened.