Drivers are facing long delays on the M25 this afternoon as a set of traffic lights have stopped working.

The traffic lights are reportedly not working on Brook Street roundabout due to a power failure.

There are long delays on the M25 in both directions and the A12 Londonbound as a result.

Engineers are on scene, according to Essex County Council's traffic control.

National Highways have yet to report on the incident.

More to follow